Versatile Boats for Every Water Adventure

Rhomarine Sport offers boats built for fishing, cruising, and water sports. Our models combine durability, speed, and comfort to give you the best experience on lakes, rivers, or coastal waters.

Featured Boats

Check out our handpicked selection of premium watercraft

2025 T.Rice Orca Snow board - new WATERCRAFT for sale in Rhode Island
NEWWATERCRAFT

T.Rice Orca Snow board

2025
East Greenwich, RI

Not your gutless fish. Travis has juiced up this Jackson Hole resort slasher into an apex all terrain tech shred predator. A long floaty nose combined with a powerful poppy contact maximizing short radius “Whale Tail Technology”. A tight 7m trench gouging sidecut. Wide enough to allow you to really put it on a hardpack rail with no toe drag and float pillows like a dream but still narrow enough to be your daily driver all season long. Take it to AK, drop BC pillow stacks or blow minds at the home resort all season. A mammal to eat all fish. TR. Award winning! VOLUME SHIFTED, RIDE THIS BOARD 3-6 CM SHORTER THAN YOUR NORMAL BOARD.

Engine:
-
Capacity:
-
$450
1990 Upgraded Kawasaki Jet mate in green  - used WATERCRAFT for sale in Rhode Island
USEDWATERCRAFT

Upgraded Kawasaki Jet mate in green

1990
FL

• 750 Swap • Stainless Steel Impeller • Custom Green Wrap • Powder-Coated Grab Handles • Brand New JetTrim Seats • New Battery with Cutoff Switch • Everything Works – blower, bilge pump, reverse, etc. • Current Registration • Trailer Included • Located in Central Florida . Kawasaki Jet Mate – Quick Specs Engine: 2-stroke vertical twin, 635 cc, ~52 HP Propulsion: Single-stage jet pump, steerable nozzle Top Speed: ~30 mph Passengers: Up to 3 people (~480 lbs / 218 kg) Fuel Tank: ~13.2 gal (50 L) Weight: ~527 lbs (239 kg) Dimensions: 106.7″ L × 60.2″ W × 30.3″ H Hull: Fiberglass Special Features: Joystick steering, storage compartments, bilge pump, blower

Engine:
2-stroke vertical twin, 635 cc, ~52 
Capacity:
3 person
$3,999
2024  Sea-Doo Switch Sport 21  Spot 21 - new WATERCRAFT for sale in Rhode Island
NEWWATERCRAFT

Sea-Doo Switch Sport 21 Spot 21

2024
East Greenwich, RI

Audio System: BRP Audio System, 100-watt speakers | Furnitures: Switch bimini top, Clear-view side panels, Stern lounge, Sun pads & Sport lounge, Sun pad backrest, 2x corner table, Driver seat with bolster, Rearview mirror, Garmin 7'' touchscreen GPS, Glove box with dual USB port, 12V outlet, Full Swim platform, Retractable boarding ladder, Quick-attach inflatable holder, Ski tow eye, LinQ™ attachment points, Under-deck storage compartment, Console storage net, Integrated anchor storage, LED Navigation lights, LED Courtesy light, Integrated cleats (4), 650W Battery Generator | iBR® - Intelligent Brake & Reverse | iDF™- Intelligent Debris-Free Pump System | RF D.E.S.S.™ keyHull Type Tri™-Hull | Material: Polytec™ - Robust & Scratch

Engine:
-
Capacity:
10 persons
$26,000

All Boats

2022  Harris GRAND MARINER  250 SL - used WATERCRAFT for sale in Rhode Island
USEDWATERCRAFT

Harris GRAND MARINER 250 SL

2022
East Greenwich, RI

About This Boat 2022 Harris Grand Mariner 250 SL Fully Loaded & Lightly Used This well-maintained 2022 Harris Grand Mariner 250 SL is the ultimate luxury tri-toon, combining premium performance with high-end comfort and style from bow to stern. Show your friends the true meaning of "luxury" aboard the gorgeously styled Grand Mariner. Spectacular power and smooth performance infuse the day with fun. With only 75 hours on the powerful Mercury Verado 350HP engine, this boat is practically new and loaded with top-tier options and packages. This boat offers a perfect blend of luxury, performance, and technology, ideal for entertaining, relaxing, or thrilling water sports. With its minimal engine hours and immaculate condition, it’s ready to hit the water without needing anything extra.

Engine:
350 Lv varado
Capacity:
10
$79,000
2024  Sea-Doo Switch Sport 21  Spot 21 - new WATERCRAFT for sale in Rhode Island
NEWWATERCRAFT

Sea-Doo Switch Sport 21 Spot 21

2024
East Greenwich, RI

Audio System: BRP Audio System, 100-watt speakers | Furnitures: Switch bimini top, Clear-view side panels, Stern lounge, Sun pads & Sport lounge, Sun pad backrest, 2x corner table, Driver seat with bolster, Rearview mirror, Garmin 7'' touchscreen GPS, Glove box with dual USB port, 12V outlet, Full Swim platform, Retractable boarding ladder, Quick-attach inflatable holder, Ski tow eye, LinQ™ attachment points, Under-deck storage compartment, Console storage net, Integrated anchor storage, LED Navigation lights, LED Courtesy light, Integrated cleats (4), 650W Battery Generator | iBR® - Intelligent Brake & Reverse | iDF™- Intelligent Debris-Free Pump System | RF D.E.S.S.™ keyHull Type Tri™-Hull | Material: Polytec™ - Robust & Scratch

Engine:
-
Capacity:
10 persons
$26,000
1992 1992 Kawasaki  Jet mate in Blue for sale - used WATERCRAFT for sale in Rhode Island
USEDWATERCRAFT

1992 Kawasaki Jet mate in Blue for sale

1992
CA

Kawasaki jet mate upgraded seats in blue design for comfort . Comes with trailer

Engine:
-
Capacity:
-
$3,999
2026 2026 Bennington S Swingback S 21 SSB - new WATERCRAFT for sale in Rhode Island
NEWWATERCRAFT

2026 Bennington S Swingback S 21 SSB

2026
NY

2026 Bennington S Swingback 21 SSB – Luxury Meets Performance Experience premium comfort and smart design with the 2026 Bennington S Swingback 21 SSB. Built for relaxing, cruising, and entertaining, this pontoon delivers Bennington quality with a versatile swingback layout perfect for families and friends. --- 📋 Key Specifications Model: 2026 Bennington S Swingback 21 SSB Length: 21 ft Beam: 8’6” Seating Capacity: Up to 11 passengers Layout: Swingback lounge (convertible sun pad & seating) Hull: Dual pontoon (optional performance package available) Fuel Capacity: Approx. 21 gallons Max HP Rating: Up to 115 HP Steering: Hydraulic steering Construction: Heavy-duty aluminum pontoons with full-length M-brackets Upholstery: Premium marine-grade vinyl Flooring: Durable vinyl flooring Use: Cruising, lounging, family fun, and light watersports ✅ Highlights ✔ Convertible swingback seating ✔ Smooth, stable ride ✔ Premium Bennington build quality ✔ Low maintenance & fuel efficient ✔ Perfect for lakes, rivers, and calm coastal waters

Engine:
115 hp
Capacity:
11 person
$29,000
1991 Kawasake  Jet mate for sale With trailer - used WATERCRAFT for sale in Rhode Island
USEDWATERCRAFT

Kawasake Jet mate for sale With trailer

1991
Fl

Kawasaki Jet Mate – Quick Specs Engine: 2-stroke vertical twin, 635 cc, ~52 HP Propulsion: Single-stage jet pump, steerable nozzle Top Speed: ~30 mph Passengers: Up to 3 people (~480 lbs / 218 kg) Fuel Tank: ~13.2 gal (50 L) Weight: ~527 lbs (239 kg) Dimensions: 106.7″ L × 60.2″ W × 30.3″ H Hull: Fiberglass Special Features: Joystick steering, storage compartments, bilge pump, blower Repair Cost: $200 Battery's upgrade needed and engine flush.

Engine:
-
Capacity:
-
$2,499
1990 Kawasaki Jet mate - used WATERCRAFT for sale in Rhode Island
USEDWATERCRAFT

Kawasaki Jet mate

1990
CA

The Kawasaki Jet Mate is a rare and fun mini-boat that combines the excitement of a jet ski with the stability of a small watercraft. It’s easy to drive, very stable on the water, and great for families, beginners, or anyone who wants something different from a regular jet ski. The Jet Mate has comfortable seating, handlebar steering, and a reliable Kawasaki marine engine that delivers smooth power and easy handling. This model is perfect for lakes, rivers, and calm coastal waters. It offers room for 2–3 passengers and includes storage space for gear. The fiberglass hull is strong and low-maintenance, making it a great choice for summer fun or recreational use. Whether cruising, relaxing, or exploring the water, the Jet Mate gives you a unique, enjoyable riding experience.

Engine:
635cc
Capacity:
3
$2,999
1991 Kawasaki Jet mate - used WATERCRAFT for sale in Rhode Island
USEDWATERCRAFT

Kawasaki Jet mate

1991
Oakland, FL 34787

Kawasaki Jet Mate – With Upgraded Seats A rare mini-boat / jet ski hybrid built for fun, stability, and easy cruising. This Jet Mate includes upgraded seats, a smooth-running marine engine, and room for multiple passengers. Perfect for family rides, lakeside properties, or rental fleets. Reliable, unique, and ready for the water.

Engine:
625cc
Capacity:
3
$4,199
1991 Kawasaki Jet mate 1991 for  sale - new WATERCRAFT for sale in Rhode Island
NEWWATERCRAFT

Kawasaki Jet mate 1991 for sale

1991
FL

Kawasaki Jet Mate – Quick Specs Engine: 2-stroke vertical twin, 635 cc, ~52 HP Propulsion: Single-stage jet pump, steerable nozzle Top Speed: ~30 mph Passengers: Up to 3 people (~480 lbs / 218 kg) Fuel Tank: ~13.2 gal (50 L) Weight: ~527 lbs (239 kg) Dimensions: 106.7″ L × 60.2″ W × 30.3″ H Hull: Fiberglass Special Features: Joystick steering, storage compartments, bilge pump, blower

Engine:
-
Capacity:
-
$2,999
2025 MiNI  Jet boat - new WATERCRAFT for sale in Rhode Island
NEWWATERCRAFT

MiNI Jet boat

2025
East Greenwich, RI

Rush Wave Mini Boat – Compact Power, Big Adventure Experience a new level of fun on the water with the Rush Wave Mini Boat, a compact high-performance watercraft designed for thrill-seekers and casual riders alike. Built with a durable hull, sporty design, and intuitive steering, this mini boat delivers smooth control, fast acceleration, and unmatched stability on lakes, rivers, and coastal waters. The bright neon green and black Rush Wave graphics give it a bold, modern look, while the ergonomic seat and smart dashboard layout ensure comfort and ease of use for any rider. Whether for recreation, rental business, or personal water sports, the Rush Wave Mini Boat brings powerful performance in a portable size. Key Features Sporty Hydrodynamic Hull – Designed for balance, smooth handling, and quick turns. Comfort-Ride Seat – Supportive seating for an enjoyable and stable ride experience. Compact & Lightweight – Easy to transport, launch, and store. Responsive Steering Wheel – Car-style steering for simple, confident control. Bright Safety Colorway – High-visibility neon green design for added safety on the water. Durable Construction – Built to withstand regular recreational use and rough conditions. Perfect For Personal water fun Rental fleets Resorts & beach operations Kids’ and adults’ recreational riding (depending on local regulations) Bring excitement to the water with the Rush Wave Mini Boat — small in size, big in performance.

Engine:
60 mph
Capacity:
1
$997
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NEWWATERCRAFT

Robalo 226 Cayman

2024
Key Largo, FL

Bay boat with dual console design perfect for fishing and family outings. Features versatile layout and reliable performance.

Engine:
250 HP
Capacity:
-
Dual ConsoleT-Top+4 more
$86,065
2025 Robalo 232 Explorer - new WATERCRAFT for sale in Rhode Island
NEWWATERCRAFT

Robalo 232 Explorer

2025
Key Largo, FL

Versatile dual console boat perfect for fishing and cruising. Features comfortable layout with fishing capabilities.

Engine:
250 HP
Capacity:
-
Dual ConsoleT-Top+4 more
$87,999
2024 Robalo 246 Cayman - new WATERCRAFT for sale in Rhode Island
NEWWATERCRAFT

Robalo 246 Cayman

2024
Key Largo, FL

Larger bay boat with enhanced features and performance. Perfect for serious anglers and families who want space and capability.

Engine:
300 HP
Capacity:
-
Dual ConsoleHardtop+4 more
$112,600
2025 Robalo 266 Cayman SD - new WATERCRAFT for sale in Rhode Island
NEWWATERCRAFT

Robalo 266 Cayman SD

2025
Key Largo, FL

Premium bay boat with step-down console and luxury amenities. Perfect for overnight trips with enhanced comfort features.

Engine:
350 HP
Capacity:
-
Step-Down ConsoleHardtop+5 more
$147,655
2025 Robalo R160 - new WATERCRAFT for sale in Rhode Island
NEWWATERCRAFT

Robalo R160

2025
Key Largo, FL

Compact and affordable fishing boat perfect for inshore waters. Easy to tow and launch with great fuel efficiency.

Engine:
90 HP
Capacity:
-
Center ConsoleLive Well+3 more
$23,899
2024 Robalo R317 - new WATERCRAFT for sale in Rhode Island
NEWWATERCRAFT

Robalo R317

2024
Key Largo, FL

Premium center console offshore fishing boat. Features top-tier construction, powerful engines, and professional-grade fishing equipment.

Engine:
Twin 300 HP
Capacity:
-
HardtopLive Wells+5 more
$167,010
2025 T.Rice Orca Snow board - new WATERCRAFT for sale in Rhode Island
NEWWATERCRAFT

T.Rice Orca Snow board

2025
East Greenwich, RI

Not your gutless fish. Travis has juiced up this Jackson Hole resort slasher into an apex all terrain tech shred predator. A long floaty nose combined with a powerful poppy contact maximizing short radius “Whale Tail Technology”. A tight 7m trench gouging sidecut. Wide enough to allow you to really put it on a hardpack rail with no toe drag and float pillows like a dream but still narrow enough to be your daily driver all season long. Take it to AK, drop BC pillow stacks or blow minds at the home resort all season. A mammal to eat all fish. TR. Award winning! VOLUME SHIFTED, RIDE THIS BOARD 3-6 CM SHORTER THAN YOUR NORMAL BOARD.

Engine:
-
Capacity:
-
$450
1990 Upgraded Kawasaki Jet mate in green  - used WATERCRAFT for sale in Rhode Island
USEDWATERCRAFT

Upgraded Kawasaki Jet mate in green

1990
FL

• 750 Swap • Stainless Steel Impeller • Custom Green Wrap • Powder-Coated Grab Handles • Brand New JetTrim Seats • New Battery with Cutoff Switch • Everything Works – blower, bilge pump, reverse, etc. • Current Registration • Trailer Included • Located in Central Florida . Kawasaki Jet Mate – Quick Specs Engine: 2-stroke vertical twin, 635 cc, ~52 HP Propulsion: Single-stage jet pump, steerable nozzle Top Speed: ~30 mph Passengers: Up to 3 people (~480 lbs / 218 kg) Fuel Tank: ~13.2 gal (50 L) Weight: ~527 lbs (239 kg) Dimensions: 106.7″ L × 60.2″ W × 30.3″ H Hull: Fiberglass Special Features: Joystick steering, storage compartments, bilge pump, blower

Engine:
2-stroke vertical twin, 635 cc, ~52 
Capacity:
3 person
$3,999
2023 Wellcraft 352 Fisherman - new WATERCRAFT for sale in Rhode Island
NEWWATERCRAFT

Wellcraft 352 Fisherman

2023
Key Largo, FL

Ultimate offshore fishing machine with tournament-level features. Twin 350 HP engines, advanced electronics, and premium fishing amenities.

Engine:
Twin 350 HP
Capacity:
-
T-TopLive Wells+5 more
$15,988
2025 Yamaha 195 FSH Sport - new WATERCRAFT for sale in Rhode Island
NEWWATERCRAFT

Yamaha 195 FSH Sport

2025
Key Largo, FL

The perfect fishing and water sports boat with versatile layout. Features premium seating, ample storage, and powerful 240 HP engine for all-day adventures.

Engine:
240 HP
Capacity:
-
Fishing PackageSport Seats+3 more
$33,988
2025 Yamaha 195S - new WATERCRAFT for sale in Rhode Island
NEWWATERCRAFT

Yamaha 195S

2025
Key Largo, FL

Sport boat with sleek design and exceptional performance. Perfect for water sports enthusiasts with comfortable seating and powerful engine.

Engine:
240 HP
Capacity:
-
Sport PackagePremium Upholstery+3 more
$34,488
2025 Yamaha 222S - new WATERCRAFT for sale in Rhode Island
NEWWATERCRAFT

Yamaha 222S

2025
Key Largo, FL

Spacious sport boat with room for the whole family. Features enhanced performance, luxury amenities, and versatile configuration.

Engine:
350 HP
Capacity:
-
Luxury SeatingExtended Swim Platform+3 more
$56,888
2025 Yamaha AR195 - new WATERCRAFT for sale in Rhode Island
NEWWATERCRAFT

Yamaha AR195

2025
Key Largo, FL

Affordable entry-level sport boat perfect for families. Features comfortable seating, reliable performance, and easy handling.

Engine:
180 HP
Capacity:
-
Comfortable SeatingSwim Platform+3 more
$29,988
2025 Yamaha SX195 - new WATERCRAFT for sale in Rhode Island
NEWWATERCRAFT

Yamaha SX195

2025
Key Largo, FL

Sporty and stylish boat with excellent fuel efficiency. Perfect for day trips and water sports adventures.

Engine:
180 HP
Capacity:
-
Sport DesignComfortable Seating+3 more
$28,988