All About Marathon Boats And Yachts: Specifications, Performance, and Common Uses

Types of Marathon Boats and Yachts

Marathon racing demands high-performance, durable vessels engineered for endurance, speed, and stability across challenging sea conditions. Suppliers offer a range of specialized boats and yachts designed to excel in long-distance aquatic races. From wind-powered sailing yachts to powerful motor-driven craft, each type is optimized for specific racing environments and performance goals. Below is a detailed breakdown of the most common types of marathon boats and yachts available to buyers and racers.

Sailing Yachts

Designed for endurance and speed, Marathon sailing yachts dominate long-distance ocean races by harnessing wind energy with exceptional efficiency.

Advantages

• Energy-efficient (wind-powered)
• Exceptional endurance for long voyages
• Advanced navigation and sail control systems
• Lightweight composite materials (carbon fiber, aluminum)
• Stable in open ocean conditions

Limitations

• Dependent on wind conditions
• Requires skilled crew for optimal performance
• Higher initial investment for racing-grade models

Best for: Long-distance offshore races, transoceanic marathons, eco-conscious racing

Motor Yachts

Marathon motor yachts are built for power and speed, using high-output engines to dominate sprint segments and maintain high cruising speeds over long distances.

Advantages

• Consistent speed regardless of wind
• High horsepower with multi-engine setups
• Advanced propulsion systems (jet drives, surface drives)
• Excellent maneuverability and acceleration
• Ideal for time-sensitive race legs

Limitations

• Higher fuel consumption
• Limited range without refueling
• Greater maintenance due to engine complexity

Best for: High-speed coastal marathons, endurance sprints, races requiring rapid response

Cocktail Class Boats

Compact and agile, Cocktail Class boats are ideal for navigating busy race zones and making quick tactical moves during competitive marathons.

Advantages

• High agility and responsiveness
• Slender, hydrodynamic hull design
• Cost-effective for entry-level racing
• Easy to transport and maintain
• Excels in short-course and buoy racing

Limitations

• Less stable in rough seas
• Limited onboard space and amenities
• Lower top speed compared to larger motor yachts

Best for: Short-distance races, coastal circuits, training and tactical racing

Extreme 40 Catamarans

The Extreme 40 catamaran is a high-performance racing machine known for its blistering speed and aerodynamic efficiency in competitive marathon events.

Advantages

• Exceptional speed due to dual-hull design
• Superior stability and reduced drag
• Aerodynamic sails and lightweight construction
• Performs well in both windward and leeward conditions
• Resists capsizing better than monohulls

Limitations

• Expensive to build and maintain
• Requires experienced crew for sail management
• Narrower beam can limit onboard comfort

Best for: Professional racing circuits, high-wind marathons, offshore regattas

Trimarans

Trimarans combine speed, stability, and innovation with a three-hull design, making them a top choice for elite marathon racing in extreme conditions.

Advantages

• Unmatched stability at high speeds
• Resistant to capsizing even in strong winds
• Lightweight yet robust construction
• Superior buoyancy and wave-cutting ability
• Excellent performance in turbulent waters

Limitations

• Wider beam requires more docking space
• Higher complexity in design and maintenance
• Premium pricing due to advanced engineering

Best for: Open-ocean endurance races, storm-prone routes, high-performance offshore competition

Expert Tip: When selecting a marathon boat, consider the race environment—sailing yachts and trimarans excel in open ocean conditions, while motor yachts and Cocktail Class boats are better suited for coastal or sprint-based events. Always factor in crew experience, maintenance needs, and fuel or wind reliability for optimal performance.

Essential Accessories for Marathon Boats and Yachts

Marathon sailing events demand peak performance, reliability, and safety under extreme conditions. The success of a boat marathon depends not only on the skill of the crew but also on the advanced accessories that equip the vessel for long-distance racing across open seas. From navigation to propulsion, every system must be optimized for efficiency, durability, and responsiveness. Below is a comprehensive overview of the most critical accessories that ensure marathon boats and marathon yachts operate at their highest potential in any maritime environment.

Advanced Navigation Systems

In the high-stakes world of offshore racing, precise navigation is non-negotiable. Modern marathon yachts are equipped with integrated navigation suites that combine GPS, electronic chart plotters, radar, and real-time weather forecasting tools. These systems allow crews to plot the most efficient routes, avoid adverse weather systems like storms or strong currents, and maintain optimal positioning relative to competitors.

Multifunction displays (MFDs) serve as the central hub, consolidating data from various sensors and instruments into a single interface. Race management software enhances tactical decision-making by analyzing wind patterns, sea state, and competitor positions. Compared to traditional compasses and paper charts, these digital systems offer unmatched speed, accuracy, and situational awareness—providing a decisive competitive advantage during long-distance regattas.

Sailing and Racing Gear

The performance of a racing yacht hinges on its ability to harness wind power efficiently. High-performance sails such as spinnakers (for downwind speed) and genoas (for upwind efficiency) are engineered from lightweight, durable materials like laminated nylon or carbon fiber composites. These sails are designed to maintain shape and reduce drag even under extreme wind loads.

Complementing the sails are precision rigging systems, including high-tensile ropes, hydraulic winches, and adjustable boom vangs that allow for rapid sail trimming. Onboard racing instruments like telltales, sail trim indicators, and wind angle sensors (often referred to as "sailglide" systems) help sailors fine-tune sail position in real time. This level of control maximizes speed and stability, ensuring the vessel performs optimally across varying wind and wave conditions.

Safety and Communication Equipment

Safety is paramount in marathon sailing, where vessels may be days from shore and exposed to unpredictable weather. Essential safety gear includes life jackets (PFDs), immersion suits, flares, fire extinguishers, and first-aid kits—all of which must be easily accessible and regularly inspected.

Communication systems play a dual role in both coordination and emergency response. VHF radios enable clear voice communication between boats and race control, while Automatic Identification Systems (AIS) broadcast the yacht’s position, speed, and course to nearby vessels and shore stations, reducing collision risks. Additionally, EPIRBs (Emergency Position Indicating Radio Beacons) and PLBs (Personal Locator Beacons) can send distress signals with GPS coordinates to rescue authorities in case of capsizing or man-overboard situations. Together, these tools ensure the safety of the crew and facilitate seamless fleet management during intense racing scenarios.

Fuel and Propulsion Systems

While sail power dominates, reliable auxiliary propulsion is crucial—especially during calm winds, docking maneuvers, or emergencies. Modern marathon boats are increasingly adopting hybrid propulsion systems that combine diesel engines with electric motors to improve fuel efficiency and reduce emissions.

Variable Pitch Propellers (VPP) are a key innovation, allowing sailors to adjust blade angles on the fly for optimal thrust and maneuverability without changing engine RPM. This adaptability is particularly valuable during transitions between sailing and motoring modes. Integrated fuel monitoring systems track consumption in real time, enabling strategic planning to minimize refueling stops and extend range. These advanced propulsion setups are built to deliver consistent performance even in rough seas or adverse weather, ensuring the vessel maintains power when it matters most.

Important: All accessories should be regularly maintained, tested, and certified before participating in any offshore marathon event. Outdated or malfunctioning equipment can compromise both performance and safety. Always follow manufacturer guidelines and maritime regulations to ensure compliance and readiness for extreme conditions at sea.

How to Choose Marathon Boats and Yachts

Choosing the right marathon yachts for sale is a crucial decision for serious sailors and competitive racers. Whether you're entering offshore endurance races or long-distance regattas, selecting a vessel that matches your racing goals, safety needs, and budget ensures peak performance and reliability on the water. This guide provides comprehensive insights to help buyers make informed decisions when purchasing high-performance marathon boats and yachts from trusted suppliers.

Assessing Racing Requirements

The nature of the race—whether it's across open oceans or coastal waters—directly influences the ideal yacht specifications. Deep-sea marathons demand vessels built for endurance, stability, and self-sufficiency, while shorter sprints favor agility and speed.

• Open Ocean Racing: Choose yachts with reinforced hulls, extended fuel capacity, and advanced navigation systems for safety and autonomy over long distances.
• Coastal or Inshore Events: Opt for lightweight, aerodynamic sail or power yachts designed for quick acceleration and responsive handling.
• Endurance Design: Look for deep keels, watertight compartments, and storm-ready rigging for offshore stability.
• Hybrid Use: Some modern yachts offer dual-purpose designs suitable for both racing and long-range cruising, ideal for multi-event participation.

Key consideration: Match the yacht’s design profile to the typical race duration, wave conditions, and crew size.

Evaluating Boat Specifications

Performance metrics are central to competitive success. A thorough understanding of technical specifications ensures you select a yacht capable of meeting the demands of elite racing.

• Speed & Propulsion: Power yachts should have high-horsepower engines with efficient fuel burn rates; sailboats benefit from large sail areas and optimized hull shapes for planing.
• Fuel Efficiency: Long races require economical fuel consumption—compare nautical miles per gallon or kilowatt-hour efficiency for electric-assist models.
• Handling & Maneuverability: Responsive steering, balanced weight distribution, and advanced autopilot systems enhance control during fatigue-inducing races.
• Material Composition: Carbon fiber hulls offer strength-to-weight advantages, while fiberglass remains a durable, cost-effective option.

Pro tip: Request performance data sheets or sea trial reports to verify manufacturer claims.

Cross-Checking Safety Features

Safety is non-negotiable in marathon racing, where crews face unpredictable weather, fatigue, and remote locations. A well-equipped yacht can mean the difference between survival and disaster.

• Emergency Equipment: Ensure the yacht includes EPIRBs (Emergency Position Indicating Radio Beacons), life rafts, fire extinguishers, and first-aid kits.
• Communication Systems: VHF radios with DSC (Digital Selective Calling), satellite phones, and AIS (Automatic Identification System) are essential for real-time coordination.
• Structural Safety: Non-slip decks, secure grab rails, watertight hatches, and reinforced bulkheads improve crew safety during rough seas.
• Stability & Capsizing Resistance: Review the yacht’s GZ curve and righting moment data—boats with high stability indices perform better in extreme conditions.

Critical factor: Prioritize yachts with documented safety certifications (e.g., ISO 12217, RCD compliance) and proven offshore track records.

Considering Budget Constraints

Marathon yachts represent a significant investment, and costs extend far beyond the initial purchase price. A realistic financial plan prevents unexpected burdens down the line.

• Purchase Price: New high-performance yachts can range from $500,000 to several million; pre-owned models offer value but require thorough inspection.
• Operating Costs: Include fuel, crew salaries, insurance (typically 1–2% of vessel value annually), and communication subscriptions.
• Maintenance & Repairs: Expect annual maintenance at 5–10% of the yacht’s value, especially for racing wear on rigging, engines, and sails.
• Mooring & Storage: Marina fees vary widely by location—over $100,000/year in premium ports like Monaco or Fort Lauderdale.

Smart choice: Consider leasing or joining a racing syndicate to share costs while gaining access to top-tier vessels.

Reviews and Builder Reputation

A yacht’s long-term performance and reliability are closely tied to its manufacturer. Reputable builders invest in engineering excellence, quality control, and post-sale support.

• Top Manufacturers: Brands like TP52, VO65, Swan, Farr Yacht Design, and Nautor’s Swan are renowned for competitive offshore yachts.
• Customer Feedback: Read owner forums, race debriefs, and broker reviews to uncover recurring issues or standout performance.
• Race Provenance: Yachts with podium finishes in events like the Vendée Globe, Fastnet Race, or Transpac demonstrate real-world capability.
• After-Sales Support: Choose builders offering technical support, spare parts availability, and upgrade programs.

Technical note: Verify if the yacht has undergone third-party inspections (e.g., by surveyors or class associations like ORC or IRC).

Additional Selection Criteria

Beyond core performance and safety, several nuanced factors influence the suitability of a marathon yacht.

• Crew Comfort: Ergonomic cabins, galley facilities, and ventilation reduce fatigue during multi-day races.
• Technology Integration: Modern yachts feature GPS routing, wind sensors, and performance analytics software for tactical advantage.
• Customization Options: Some manufacturers allow rig, sail, or electronics packages tailored to specific race profiles.
• Resale Value: Well-maintained, race-proven yachts from top brands retain value better than obscure or heavily modified vessels.

Time-saving tip: Work with a marine broker specializing in racing yachts to streamline the search and due diligence process.

Professional Recommendation: For first-time buyers, consider a pre-owned, race-tested yacht from a reputable builder. These vessels offer proven performance at a fraction of the cost of new models. Always conduct a professional marine survey and sea trial before purchase. For elite racers, investing in a custom-designed or class-compliant yacht (e.g., IMOCA 60 or Class40) ensures maximum competitiveness in global events.

Final Tips for Buyers

• Attend Boat Shows: Events like the Boot Düsseldorf or Fort Lauderdale International Boat Show allow hands-on evaluation of current models.
• Join Racing Communities: Networks like the Offshore Racing Congress provide insights and connections with experienced owners.
• Verify Documentation: Ensure all registration, classification, and maintenance logs are complete and up to date.
• Consider Training: Invest in crew training for navigation, emergency response, and race tactics to maximize your yacht’s potential.
• Think Long-Term: Choose a yacht with upgrade paths for electronics, sails, or propulsion to stay competitive over time.

Marathon Boats and Yachts Maintenance and Repair

Preparing a boat or yacht for a marathon race demands meticulous attention to every system and component. Unlike routine maintenance, pre-race servicing is comprehensive and performance-focused, designed to ensure reliability, safety, and peak efficiency over long distances and challenging sea conditions. This guide outlines the critical maintenance and repair procedures that competitive yachts and motorboats undergo to meet the rigorous demands of marathon racing.

Safety Note: Always perform maintenance in a secure marina or dry dock with proper safety equipment. Ensure the vessel is stabilized, and disconnect power sources when working on electrical or mechanical systems. Wear protective gear including gloves, goggles, and non-slip footwear.

Hull Maintenance: Ensuring Hydrodynamic Efficiency

The hull is the foundation of a vessel’s performance, directly affecting speed, fuel efficiency, and seaworthiness. A thorough hull inspection and maintenance routine are essential before any marathon event.

• Cleaning and Decontamination: Use high-pressure washing and marine-grade detergents to remove salt deposits, algae, barnacles, and other marine growths that increase drag and reduce speed.
• Inspection for Damage: Examine the entire hull surface for cracks, blisters, osmosis, or impact damage. Pay special attention to areas near the waterline and keel.
• Corrosion Control: For metal hulls or fittings, check for rust and apply anti-corrosive coatings. Inspect sacrificial anodes (zincs) and replace if more than 50% eroded.
• Polishing and Coating: Apply a high-performance antifouling paint and polish the hull to maintain a smooth, hydrodynamic surface. This reduces resistance and improves fuel economy and speed.
• Dry-Dock Evaluation: Lifting the vessel allows full access to the underside for inspection, cleaning, and repairs that cannot be performed while afloat.

Expert Tip: Consider using foul-release coatings instead of traditional biocidal paints for eco-friendly, low-drag performance. These silicone-based coatings prevent organisms from adhering firmly, making cleaning easier and reducing environmental impact.

Sail and Rigging Check: Maximizing Wind Performance

For sailing yachts, the sail and rigging system is the engine. Any weakness can lead to catastrophic failure during a race, so pre-marathon evaluation is non-negotiable.

• Sail Inspection: Check mainsails, jibs, spinnakers, and storm sails for tears, UV degradation, chafing, and stitching integrity. Replace or repair damaged sails well in advance.
• Rigging Assessment: Inspect standing rigging (shrouds, stays) for corrosion, kinks, or broken wires. Use a magnifying glass and tension gauge to evaluate wire strength and alignment.
• Running Rigging Maintenance: Lubricate winches, blocks, and cleats. Replace frayed lines and ensure all control lines run smoothly through their sheaves.
• Mast and Boom Check: Look for cracks, loose fittings, or bent sections. Verify that spreaders and tangs are secure and properly aligned.
• Spares Onboard: Carry emergency spares such as spare halyards, trysail, tiller, rudder stock, and repair kits (sail tape, zip ties, hose clamps) for quick fixes at sea.

Engine and Fuel System Care: Preventing Mid-Race Failures

For motor-powered yachts and auxiliary engines on sailboats, engine reliability is paramount. A breakdown mid-marathon can mean disqualification or danger.

• Oil and Filter Replacement: Change engine oil and replace both oil and fuel filters according to manufacturer specifications. Use high-quality synthetic oil for better performance under stress.
• Engine Inspection: Clean the engine compartment, check belts and hoses for cracks or leaks, and inspect the cooling system (raw water and freshwater) for blockages.
• Fuel System Integrity: Drain water separators and inspect fuel tanks for contamination (water, sludge, microbial growth). Replace fuel filters and consider using biocides if needed.
• Exhaust System Check: Inspect for corrosion, leaks, or collapsing hoses. A failing exhaust can cause dangerous backpressure or carbon monoxide leaks.
• Load Testing: Run the engine under load to simulate race conditions and monitor temperature, pressure, and vibration levels.

Safety and Repair Tools: Being Prepared for Emergencies

Racing far from shore means self-reliance. A well-equipped vessel can handle emergencies and minor breakdowns without external help.

• Life-Saving Equipment: Ensure all life jackets (PFDs) are in good condition and properly sized. Update first aid kits with race-specific supplies (motion sickness meds, wound care).
• Fire Safety: Install or replace marine-rated fire extinguishers and check expiration dates. Consider automatic fire suppression systems for engine compartments.
• Distress Signals: Verify EPIRBs (Emergency Position Indicating Radio Beacons), flares, and VHF radios are functional and registered.
• Onboard Repair Kit: Include essential spares: spare propeller, hose clamps, duct tape, epoxy putty, electrical tape, zip ties, and a basic toolkit (wrenches, screwdrivers, pliers).
• Damage Control: Carry underwater repair patches, sail repair tape, and temporary rigging solutions like Dyneema cordage.

Continuous Monitoring and Reporting: Proactive Problem Management

Effective maintenance doesn’t end with pre-race preparation—it continues throughout the racing season with vigilant monitoring and documentation.

• Defect Logging: Use a digital or physical logbook to record all issues, no matter how minor, during inspections or voyages.
• Timely Repairs: Address small problems immediately—delaying fixes can lead to larger failures under race conditions.
• Pre-Race Checklist: Implement a standardized checklist reviewed by multiple crew members to ensure nothing is overlooked.
• Post-Event Review: After each race, conduct a debrief to assess what worked, what failed, and how maintenance procedures can be improved.
• Team Coordination: Assign specific maintenance roles to crew members and ensure everyone understands emergency protocols.

Pro Tip: Integrate digital monitoring systems (engine sensors, bilge alarms, battery monitors) with real-time alerts. Many modern yachts use IoT-enabled devices to track performance and detect anomalies before they become critical.

Marathon racing pushes both sailor and vessel to their limits. The difference between finishing strong and dropping out often comes down to preparation. A disciplined, thorough maintenance regimen—not just before the race, but throughout the season—ensures your yacht performs reliably, safely, and competitively. Remember, in long-distance racing, prevention is always faster than repair.

Frequently Asked Questions About Yachting and Sea Marathon Vessels

Equipping a yacht or marathon racing vessel with the right accessories is crucial for performance, safety, and navigation efficiency. Modern yachts and long-distance racing boats rely on a combination of high-tech and functional gear to handle demanding sea conditions.

• Advanced Navigation Systems: GPS chartplotters, radar, autopilot systems, AIS (Automatic Identification System), and depth sounders help captains navigate safely, especially in open waters or low visibility.
• Racing Gear: Performance sails, lightweight winches, carbon fiber booms, and adjustable rigging optimize speed and control during competitive sea marathons.
• Safety Equipment: Life rafts, EPIRBs (Emergency Position Indicating Radio Beacons), life jackets, flares, and man-overboard systems are mandatory for offshore events and long voyages.
• Fuel and Propulsion Systems: Efficient diesel engines, hybrid propulsion units, fuel monitoring systems, and auxiliary generators ensure reliable power and extended range.
• Comfort & Support Systems: Onboard desalination units, refrigeration, solar panels, and wind generators enhance livability during extended races or cruising.

Top-tier racing yachts often integrate real-time weather routing software and satellite communication systems to stay connected and make strategic decisions mid-race.

The construction materials of sea marathon vessels are chosen to balance strength, weight, durability, and hydrodynamic efficiency. The right material directly impacts speed, fuel economy, and structural integrity in harsh marine environments.

• Carbon Fiber: Extremely lightweight and strong, carbon fiber is the premium choice for high-performance racing yachts. It offers excellent stiffness-to-weight ratio, improving speed and responsiveness, though it comes at a high cost.
• Fiberglass (GRP - Glass Reinforced Plastic): A popular mid-range option, fiberglass is durable, relatively affordable, and easy to mold into complex hull shapes. It’s widely used in both production and custom racing yachts.
• Aluminum: Known for its corrosion resistance and strength, aluminum is favored for expedition yachts and offshore racers. It's lighter than steel and easier to repair in remote locations.
• Steel: While heavy, steel offers unmatched durability and impact resistance. It's typically used in bluewater cruising yachts or support vessels rather than speed-focused marathon racers.
• Wood: Traditional wooden hulls are now rare in modern racing due to maintenance demands and weight, though some classic or hybrid designs still use wood for aesthetic or historical value.

Many cutting-edge marathon yachts use composite hybrids—combining carbon fiber skins with foam or honeycomb cores—to maximize strength while minimizing weight and improving insulation.

Maintaining the portion of a yacht that sits above the waterline—known as the superstructure, deck, and topsides—is essential for aesthetics, structural integrity, and long-term value. Exposure to saltwater, UV radiation, and weather makes regular care critical.

• Regular Cleaning: Wash the deck and hull frequently with fresh water and marine-safe cleaners to remove salt, grime, and biological buildup that can cause corrosion or staining.
• Damage Inspection: Check for cracks, delamination, or soft spots in fiberglass, corrosion on metal fittings, and wear on non-skid surfaces. Early detection prevents costly repairs.
• Antifouling Protection: While antifouling paint is typically applied below the waterline, protecting the hull from marine growth, the waterline area (where wet meets dry) is especially vulnerable and may require specialized coatings.
• Rigging and Sail Maintenance: Inspect shrouds, stays, and turnbuckles for corrosion or stretching. Replace frayed lines and damaged sails promptly to prevent failure at sea.
• UV Protection: Apply protective waxes, teak oil, or UV-resistant coatings to prevent fading and degradation of gelcoat, wood, and fabrics.
• Sealant Checks: Ensure hatches, windows, and deck fittings are properly sealed to prevent water intrusion that could lead to rot or electrical issues.

A consistent maintenance schedule not only extends the lifespan of your yacht but also ensures optimal performance and safety during long-distance sea marathons.

Improving fuel efficiency on a yacht reduces operating costs, extends range, and minimizes environmental impact—especially important during long transits or endurance races.

• Use Energy-Efficient Engines: Modern diesel or hybrid propulsion systems offer better fuel economy and lower emissions. Consider engine upgrades if your current model is outdated.
• Monitor Engine Performance: Use onboard diagnostics to track fuel consumption, RPM, and engine load. Identify inefficiencies early to maintain peak performance.
• Optimize Vessel Speed: Operate at the yacht’s most efficient speed—often around 70–80% of maximum. Excessive speed dramatically increases fuel burn due to hydrodynamic resistance.
• Regular Engine Tuning: Clean fuel injectors, replace air and fuel filters, and ensure proper lubrication to keep the engine running smoothly and efficiently.
• Reduce Drag: Keep the hull clean and free of marine growth. Even minor fouling can increase fuel consumption by up to 20%.
• Proper Trim and Weight Distribution: Adjust trim tabs and distribute weight evenly to minimize resistance and improve planing efficiency.
• Leverage Natural Power: When feasible, use sails to reduce engine dependency, especially in favorable wind conditions.

Smart navigation planning—such as choosing routes with favorable currents and avoiding headwinds—can also significantly enhance fuel economy over long distances.

Marine insurance is not just a formality—it’s a vital safeguard for owners, crew, and third parties involved in offshore racing and long-distance yachting.

• Asset Protection: Covers the cost of repairing or replacing the yacht in case of damage from storms, collisions, grounding, or fire—common risks in open-sea racing.
• Liability Coverage: Protects against third-party claims for injury, property damage, or environmental incidents (e.g., fuel spills), which can result in significant legal and financial consequences.
• Medical and Evacuation Costs: Some policies include coverage for emergency medical treatment or helicopter evacuation, crucial during remote ocean races.
• Peace of Mind: Knowing your investment is protected allows racers and owners to focus on performance and safety without constant financial worry.
• Event Requirements: Most sea marathon organizers—including prestigious races like the Fastnet or Transpac—mandate proof of insurance, particularly third-party liability, before allowing entry.
• Financing and Mooring Requirements: Marinas, lenders, and charter companies often require valid insurance as a condition of docking or loan approval.

Given the high value of racing yachts and the unpredictable nature of the open ocean, comprehensive marine insurance tailored to offshore racing is a non-negotiable part of responsible yachting.