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2019 Aventura 31 Cat

Boca Raton, FL, US 31.7 ft · 10 ft' beam
Asking
$220,000
2019 Aventura 31 Cat for sale
Our Thoughts
Written by The Fly Yachts Team · Brokerage

The 2019 Aventura 31 Cat is a purpose-built catamaran that delivers the stability, storage capacity, and accessibility that serious divers and water-sports enthusiasts demand. With a 31.67-foot length and 10-foot beam, this twin-hulled design provides the wide, stable platform essential for safe water entry and exit—a critical consideration for dive operations and adventure cruising in variable conditions.

Propulsion comes from twin 150-horsepower Yamaha outboards, a proven combination that balances fuel efficiency with the performance needed for meaningful transit speeds. Outboard power also simplifies maintenance and maximizes interior usability, keeping mechanical systems out of the cabin and engine room spaces.

The layout prioritizes function over flash. A spacious cockpit and expansive deck areas provide dedicated storage for dive gear, tanks, and water-sports equipment without compromising the working environment. The catamaran hull's inherent stability reduces motion and fatigue during extended time on the water, whether you're anchored over a dive site, cruising shallow-draft areas, or simply enjoying comfortable lounging and seating configurations designed for all-day comfort.

This is a vessel built for owners who value capability and practical design over luxury appointments. The 2019 build year and reported low hours indicate a well-maintained example with considerable service life remaining. Whether deployed for diving expeditions, weekend cruising, or active water recreation, the Aventura 31 Cat offers the combination of seaworthiness, storage, and stability that makes it a reliable platform for serious boating.

Provided listing description Click to read the original broker text

2019 31ft Aventura Cat – Powered by Twin 150 Yamaha Outboards – Perfect for Diving and AdventureThis 2019 31ft Aventura Cat combines performance, comfort, and versatility, making it an excellent choice for both adventure and diving enthusiasts. Powered by twin 150 Yamaha outboards, it offers impressive speed and fuel efficiency while maintaining a smooth, stable ride in various conditions. Designed with divers in mind, the boat features ample storage space for dive gear and easy access to the water, ensuring a safe and enjoyable experience. The wide catamaran hull provides added stability, making it perfect for both casual cruising and more active water activities like diving. Key Features: Twin 150 Yamaha outboards for reliable power and fuel efficiency Spacious cockpit and deck with ample storage for gear and accessories Wide, stable platform for easy water entry and exit Comfortable seating and lounge areas for relaxation Low hours, offering many more years of useThis Aventura Cat is the ideal vessel for anyone seeking a boat that excels in both performance and functionality, whether you're cruising, diving, or simply enjoying the water.

2019 Aventura 31 Cat: Twin Yamaha Outboard Performance Catamaran for Diving and Coastal Adventure
Overview
The 2019 Aventura 31 Cat represents a purpose-built platform designed for boaters who prioritize stability, accessibility, and versatile water-based activities. At 31.67 feet in length with a 10-foot beam, this twin-outboard catamaran delivers the wide, stable hull platform that defines the catamaran category—a design choice that directly supports diving operations, water entry and exit, and comfortable cruising across variable sea states. Powered by twin 150-horsepower Yamaha outboards, the vessel combines modern outboard reliability with the fuel efficiency characteristics that appeal to owners planning extended coastal exploration or day-trip diving expeditions from South Florida's Boca Raton location. The catamaran hull form is particularly relevant for diving-focused boating. The wide stance and shallow draft inherent to catamaran design reduce heel during turns, provide a stable platform when divers are entering and exiting the water, and create a comfortable motion profile in moderate chop—all critical factors for dive boat operations. The Aventura 31 Cat's configuration reflects this specialization while maintaining the cruising comfort and entertainment capacity expected in a modern recreational vessel of this length.
Hull Design and Stability Platform
Catamaran hulls distribute weight across two parallel hulls rather than a single centerline, a fundamental design principle that produces several measurable benefits for the intended use case. The wide beam of 10 feet provides exceptional stability when stationary, which is essential during diving operations when crew and passengers are moving around the deck, gearing up, and managing entry and exit procedures. This stability also reduces the tendency to heel during turning, creating a more comfortable experience for passengers accustomed to monohull behavior. The catamaran configuration naturally produces a shallower draft than comparable monohull designs, allowing access to coastal areas, shallow-water anchorages, and protected bays where deeper-hulled vessels cannot venture. For divers and adventurers operating out of Boca Raton and exploring South Florida's reef systems, shallow-water access is operationally valuable. The stable platform also supports the positioning and deployment of dive ladders, platforms, and gear without the dynamic heel shifts that can complicate water entry on monohulls in any sea state.
Twin Yamaha 150 Outboard Power
The twin 150-horsepower Yamaha outboards represent a modern outboard propulsion package scaled appropriately for a 31-foot catamaran. Yamaha's four-stroke outboard technology is recognized across the recreational and commercial marine industry for reliability, fuel efficiency, and low-maintenance operation—attributes that appeal to owners planning regular use and extended cruising. Twin outboards offer inherent redundancy; if one engine requires service or fails, the vessel retains propulsion capability on the remaining engine. This safety margin is particularly valuable for divers operating offshore where return to shore or safe harbor is a priority. The outboard configuration also provides operational flexibility: twin engines allow independent throttle management, facilitating precise maneuvering during dive site approach and positioning. Yamaha's outboard lineup includes integrated digital fuel management and ignition systems that optimize combustion across varying load conditions. The 150-horsepower rating per side (300 total horsepower) is sized to deliver responsive acceleration and cruising capability without requiring the larger displacement engines that would increase fuel consumption on a catamaran platform designed for efficiency.
Cockpit Layout and Deck Configuration
The Aventura 31 Cat's cockpit design prioritizes functional space for both cruising and diving operations. A spacious cockpit accommodates seating for multiple crew and passengers while maintaining clear deck areas for gear staging, equipment preparation, and water-entry procedures. The wide catamaran platform naturally creates generous side decks and working areas that would be constrained on a narrower monohull of comparable length. Ample storage throughout the cockpit and deck areas is specifically highlighted as a design feature, reflecting the reality that dive operations require dedicated space for tanks, regulators, BCDs, wetsuits, and ancillary equipment. Integrated storage lockers, under-seat compartments, and deck boxes allow organized stowage that keeps the working deck clear and prevents gear from shifting during transit or maneuvering. The wide platform also supports comfortable seating and lounge areas, allowing passengers to relax during transit between dive sites or during surface intervals. The catamaran's reduced heel in turns and relatively gentle motion profile in moderate seas creates an environment where seated passengers experience less dynamic movement than on comparable monohulls, enhancing comfort during extended cruising days.
Water Access and Dive Operations
The Aventura 31 Cat's design specifically emphasizes easy access to the water, a critical operational requirement for diving vessels. The wide transom and stable platform allow dive ladders to be positioned securely without the dynamic movement that occurs on narrower hulls when divers are entering or exiting. The catamaran's shallow draft also enables positioning over shallow-water reef systems and wreck sites where deeper-hulled vessels cannot safely operate. The stable platform reduces the physical demands on divers during entry and exit procedures, particularly important for divers carrying full tank configurations and wearing wetsuits that can restrict mobility. The wide beam also provides space for multiple divers to prepare gear, conduct pre-dive briefings, and manage equipment without crowding the working deck. For adventure boating beyond diving, the easy water access supports swimming, snorkeling, watersports, and exploration of shallow-water anchorages. The catamaran's inherent stability when stationary makes these activities safer and more accessible than on more tender hull forms.
Comfort and Cruising Capability
The vessel's design balances performance and comfort across extended cruising days. The twin Yamaha outboards deliver responsive acceleration and adequate cruising speed while the catamaran hull form naturally produces a comfortable motion profile in moderate sea states. The wide platform and low center of gravity characteristic of catamaran design reduce pitching and rolling motions that create fatigue during extended transits. Comfortable seating and lounge areas positioned throughout the cockpit provide shaded rest areas and social spaces for passengers. The design supports day-trip diving operations, weekend coastal cruising, and extended adventures across South Florida's diverse marine environments—from the calm waters of Biscayne Bay to the Atlantic-facing reef systems and offshore banks. The catamaran platform's stability also supports entertaining and social activities. The wide deck areas and multiple seating zones allow crew and guests to move about safely and comfortably, making the vessel suitable for both active diving operations and leisurely cruising and entertaining.
Operational Efficiency and Low-Hour Condition
The 2019 model year places this vessel in the modern outboard era, incorporating current fuel management, ignition, and emissions control technology. Twin Yamaha 150 outboards operating as a matched pair provide predictable fuel consumption and performance characteristics. The catamaran's efficient hull form, combined with modern outboard technology, supports extended cruising range and reduced per-hour operating costs compared to larger displacement engines or less efficient hull designs. The broker notation regarding low hours indicates minimal wear on the propulsion system and engine components, suggesting the vessel has been used but not heavily operated since manufacture. Low-hour engines typically demonstrate responsive starting, consistent performance, and extended service intervals before major maintenance becomes necessary.
Why This Aventura 31 Cat Represents Practical Coastal Performance
The 2019 Aventura 31 Cat appeals to a specific and practical boating demographic: owners who prioritize stability, accessibility, and versatile capability over size or luxury appointments. The catamaran hull form directly supports diving operations, water access, and comfortable cruising across variable conditions. Twin Yamaha outboards deliver the reliability, efficiency, and redundancy appropriate for coastal and offshore adventure boating. The vessel's design reflects the reality that serious diving and water-based adventure require a stable, accessible platform with integrated storage, easy water entry, and predictable motion characteristics. The wide beam and shallow draft enable access to protected waters and shallow-water reef systems where deeper-hulled vessels cannot operate. The spacious cockpit and deck areas support both active diving operations and relaxed cruising and entertaining. Located in Boca Raton, the vessel offers immediate access to South Florida's diverse marine environment—from shallow-water reef systems and protected bays to offshore wrecks and continental shelf structure. For buyers seeking a capable, stable, and purpose-designed platform for diving and coastal adventure, the 2019 Aventura 31 Cat presents a practical and well-configured choice.
Length
31.7 ft
Beam
10 ft'
Year
2019
Builder
Aventura
Model
31 Cat
What are the engine specifications and performance capabilities of the 2019 Aventura 31 Cat?
The 2019 Aventura 31 Cat is powered by twin 150 Yamaha outboard engines, delivering a combined 300 horsepower. This outboard configuration provides both reliable performance and fuel efficiency, making it well-suited for extended cruising and water activities. Twin outboards on a 31-foot catamaran platform offer redundancy in propulsion, meaning you maintain operational capability if one engine requires service, and the setup delivers responsive handling across various sea conditions.
Why is a catamaran hull design beneficial for diving and water sports?
The Aventura 31 Cat's wide catamaran hull provides exceptional stability and a low center of gravity, which are critical advantages for diving operations and water sports activities. The twin-hulled design creates a wider platform that resists rolling, making it easier and safer for divers to enter and exit the water, even in moderate sea states. This stability also reduces fatigue during extended time on the water and makes the vessel more comfortable for passengers during cruising. The spacious deck layout that comes with a catamaran design allows for organized storage of dive gear, tanks, and safety equipment without compromising usable space.
What makes the 2019 Aventura 31 Cat suitable for both casual cruising and active water adventures?
The Aventura 31 Cat was designed with versatility in mind, combining performance-oriented twin outboards with a stable, spacious platform. The boat's ample storage capacity accommodates gear for diving, snorkeling, fishing, or extended cruising without cluttering the deck or cabin. The comfortable seating and lounge areas allow for relaxation between activities, while the wide, stable platform makes water entry and exit safe and straightforward. The fuel efficiency of the twin 150 Yamaha outboards extends your cruising range, enabling longer adventures without frequent refueling stops.
How does the cockpit layout on the Aventura 31 Cat support diving and water sports operations?
The spacious cockpit features thoughtful design for water sports and diving operations, with ample storage integrated throughout to keep dive tanks, regulators, wetsuits, and accessories organized and accessible. The wide deck provides safe footing and multiple entry points to the water, reducing the risk of slips or falls when geared up. The layout allows crew members to assist divers without congestion, and the stable platform minimizes the motion that can make gear preparation difficult on narrower hull designs. Storage solutions are distributed across the cockpit to prevent gear from shifting during transit or rough conditions.
What are the practical advantages of twin outboard engines on a 31-foot catamaran?
Twin 150 Yamaha outboards on a 31-foot catamaran deliver several operational advantages. Outboards provide easier maintenance and servicing compared to inboard engines, with no complex through-hull systems or enclosed engine rooms. The lightweight nature of outboards compared to diesel inboards means better fuel economy and higher speed potential. Twin engines offer redundancy—if one engine needs attention, you can continue operating on the other. The outboards also provide excellent maneuverability, allowing tight turns and precise positioning, which is valuable when anchoring near dive sites or navigating shallow waters. Yamaha's reputation for reliability means fewer unexpected breakdowns during your adventures.
What cabin and accommodation features does the Aventura 31 Cat offer for overnight cruising?
While the Aventura 31 Cat is optimized for day cruising and water sports, the cabin provides comfortable berths and essential amenities for overnight stays. The interior layout maximizes usable space within the 31-foot length, offering sleeping accommodations and basic galley facilities. The cabin design takes advantage of the catamaran's beam, providing more interior width than a comparable monohull, which improves headroom and livability. This makes the boat practical for weekend trips or multi-day diving expeditions where crew comfort during downtime is important.
How does the 31-foot size and 10-foot beam affect the boat's handling and docking?
The Aventura 31 Cat's 31.67-foot length and 10-foot beam create a vessel that is maneuverable in many cruising environments while maintaining the stability and deck space needed for water sports. The 10-foot beam is wider than most monohulls of comparable length, providing the stability and interior volume that make the catamaran design popular for diving and adventure use. The overall length makes the boat manageable for single or two-person operation, while the beam keeps the vessel within many marina slip dimensions. The catamaran's shallow draft relative to its size allows access to shallow-water dive sites and coastal areas that deeper-draft vessels cannot reach.
What storage solutions does the Aventura 31 Cat provide for dive gear and water sports equipment?
The Aventura 31 Cat features ample storage distributed throughout the cockpit and deck areas, specifically designed with divers and water sports enthusiasts in mind. Storage compartments are positioned for easy access to frequently used items like regulators, masks, fins, and wetsuits, without requiring crew members to move other gear to retrieve what they need. The wide deck and spacious cockpit allow for organized placement of dive tanks and larger equipment, while keeping walkways clear for safety. The catamaran's beam provides additional locker space compared to a monohull of similar length, and the design minimizes the need to store gear below deck where moisture and temperature fluctuations could damage sensitive equipment.
Is the Aventura 31 Cat fuel-efficient for extended cruising?
The twin 150 Yamaha outboard configuration on the Aventura 31 Cat is engineered for fuel efficiency, a key advantage when planning extended cruising or multiple-day diving trips. Modern Yamaha outboards incorporate fuel-injection technology and optimized combustion systems that deliver better fuel economy than older engine generations. The catamaran hull's design reduces drag compared to some monohull configurations, meaning the engines don't need to work as hard to maintain cruising speed. This efficiency extends your range between refueling stops, allowing you to reach more remote dive sites or cruise longer without the operational cost and time loss associated with frequent fuel stops.
What type of boater is the 2019 Aventura 31 Cat best suited for?
The Aventura 31 Cat is ideal for diving enthusiasts, water sports adventurers, and cruisers who prioritize stability, safety, and accessible water entry over maximum speed or luxury accommodations. The vessel appeals to experienced boaters who understand catamaran handling and appreciate the platform stability that makes diving and snorkeling safer and more enjoyable. It suits groups of friends or small families who want a capable cruising platform that can reach diverse destinations, from shallow coral reefs to deeper offshore dive sites. The boat is also well-matched to owners who value fuel efficiency and low-maintenance outboard engines over the complexity of inboard diesel systems. The 31-foot size makes it manageable for owner-operators while the twin-engine redundancy and stable platform provide confidence for extended time offshore.
What makes the Aventura brand and 31 Cat model recognized in the market?
The Aventura brand is known for designing practical, adventure-focused vessels that prioritize functionality and seaworthiness over luxury features. The 31 Cat model has earned recognition among diving and water sports communities for its stable platform, accessible design, and proven ability to reach remote locations safely. The catamaran configuration from Aventura appeals to boaters who understand that a wider, more stable platform delivers real safety and comfort benefits for water activities, particularly diving where stability during gear preparation and water entry is critical. The 31-foot size represents a sweet spot in the adventure boat market—large enough to handle offshore conditions and accommodate overnight cruising, yet small enough to operate efficiently and fit in many marina facilities. The combination of twin Yamaha outboards and catamaran design reflects Aventura's philosophy of reliability and practical performance over high-speed capability.

Fly Yachts is pleased to assist you in the purchase of this vessel. This boat is centrally listed by RKH Yachts. It is offered as a convenience by this broker/dealer to its clients and is not intended to convey direct representation of a particular vessel.

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