2021 Flats Cat 21'
$69,995
Boat in Ruskin, FL 33570 US
21'
1 Engine (Mercury)
21 feet
Gas
Fiberglass/Reinforced
The 2021 Flats Cat 21' is a remarkable bay boat that combines performance and utilitarian style. Crafted from durable fiberglass, this vessel is designed to withstand the rigors of the water while providing a smooth ride.
The boat is powered by a robust 150 hp Mercury ProSX outboard engine, ensuring reliable and efficient performance for all your aquatic adventures. With an overall length of 21 feet, it offers ample space for various activities, whether you're fishing, cruising, or enjoying a day on the water with friends. The thoughtful design includes essential features that enhance your boating experience, making it an excellent choice for enthusiasts seeking quality and functionality.
This used boat is in great condition, ready to deliver unforgettable moments on the water. Experience the thrill of boating with the Flats Cat 21'.
FEATURES:
Spot Lock Trolling Motor with Lithium Battery, Minn Kota Raptor, Can run in 3 inches of water!!!
Notable Upgrades: Only flats boat I have ever seen with Autopilot!
- Engine Make: Mercury
- Engine Model: 150LPXS
- Engine Type: Outboard 4 Stroke
- Power HP: 150.00
- Fuel Type: Gas/Petrol
- Hours: 100
Specs
- Beam 7' 6"
- Bottom 7'
- Weight 1650lbs
- Take Off Depth6"
- Minimum Running Depth 3-1/2"
- Boat Draft at rest 4"
- Transom Height 27"
- Planing Distance 10'
- Recommended HP 150hp
- Fuel Capacity 40 gallons
Features
- Unsinkable design and Construction
- All hand Laminated Fiberglass Hull
- Patented Catamaran Design
- Self Bailing
- Large Front Casting Platform with 3 hatches
- Water resistant Hatches with Trim Lok
- Non Skid Gelcoat Deck
- Dual Rear Platform with hatches
- Polystyrene Foam Filled stringer system
- Wiring Conduit from console to bow
- Insulated Live Well with pump and bubbler
- One way drain scuppers
- Custom leaning post with backrest and storage
- Single Axle trailer with Tandem option
- Pop up cleats
- Fuel selector valve
- Bob's 6" Action Jack Plate
- Hydraulic Steering
Console Features
- Large console Fiberglassed to deck
- Aluminum Welded Console Rail
- Tinted Windscreen with Spoiler
- Non-Skid Surface on top of Console
- 6 switch panel
- Perko Battery Switch
- Custom upholstered cushions
- Fuel Fill and Vent, Fuel selector
- Custom Steering Wheel
- Livewell seat and back rest cushion
- Smoked windshield
Included Optional Items
- Livewell w/ fill, recirc and pro Air
- Aluminum Riser
- Wade Ladder with Handrail
- Removable Sport Top and Burnbar
- Trim Tabs
- Light Bar
- 8' Raptor installed
- Minn Kota Ipilot Package
- Wet Sound- Sound Bar
- Elevated Ice Chest
- Anodized Rod holders
- Burn Bar
- Trolling Motor Mount
The Company offers the details of this vessel in good faith but cannot guarantee or warrant the accuracy of this information nor warrant the condition of the vessel. A buyer should instruct his agents, or his surveyors, to investigate such details as the buyer desires validated. This vessel is offered subject to prior sale, price change, or withdrawal without notice. Hours on motors and generators cannot be guaranteed and what is listed may change.
A minimum of $595.00 closing fee will be added to the final total price of the vessel. Please ask your selling agent for a complete closing statement as they can change with every sale. Coast Guard Documentation, State Registration, and other fees are not included in the price of the vessel.
Price History
| Date | Event | Price |
|---|---|---|
| 4/17/26 | Initial price | $69,995 |
2021 Flats Cat 21' Video Tours
Overview from around the web 2021 Flats Cat 21'
Customers are praising the 2021 Flats Cat 21' for its exceptional stability and smooth ride, making it perfect for shallow water fishing adventures
Many highlight its spacious deck layout, which provides ample room for casting and gear storage. The boat's durable construction and reliable performance have also received positive feedback, with users appreciating its ability to handle various water conditions confidently. Overall, anglers value the Flats Cat 21' for combining functionality, comfort, and versatility in a compact, easy-to-handle design.
The Biggest Pros and Cons
The 2021 Flats Cat 21' offers a range of features that make it a popular choice for anglers and boating enthusiasts, but like any boat, it has its pros and cons. Here’s a breakdown:
Pros
Shallow Draft: Designed specifically for fishing in shallow flats, the Flats Cat 21' has an extremely shallow draft, allowing you to access hard-to-reach fishing spots with ease.
Stability: Despite its light weight, it provides excellent stability both at rest and on the water, making it comfortable for standing and casting.
Durability: Built with high-quality materials and craftsmanship, the Flats Cat 21' is known for its durability and ability to withstand harsh saltwater conditions.
Customization: Offers plenty of options for customization, including various seating configurations, storage solutions, and fishing accessories tailored to your needs.
Fuel Efficiency: Its lightweight design and efficient hull shape contribute to good fuel economy, making longer trips more affordable.
Quality Handling: The hull design ensures smooth handling and good performance in light chop and flat water conditions.
Cons
Limited Cabin Space: As a flats boat, it lacks enclosed cabin space, which may not be ideal for those looking for shelter or overnight accommodations.
Less Suitable for Rough Water: While stable in calm conditions, the Flats Cat 21' is not designed for heavy seas or rough offshore conditions.
Storage Capacity: Storage can be somewhat limited compared to larger boats, so packing light is essential.
Price Point: The high-quality build and specialized design can come with a premium price tag compared to more generic fishing boats.
Limited Seating: Seating is typically minimal and focused on fishing functionality, which might not be ideal for larger groups or family outings.
Made For
The 2021 Flats Cat 21' is designed for anglers and boating enthusiasts who seek a versatile, shallow-water fishing boat. Perfect for navigating flats, bays, and coastal waters, it caters to those who prioritize stability, ease of handling, and ample deck space for fishing gear. Whether you’re a seasoned fisherman or a weekend adventurer, this boat offers the performance and features ideal for exploring shallow waters and making the most of your fishing experience.
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Meet the Broker

Address
Boat Location
Contact WORLDWIDE YACHT SALES about 2021 Flats Cat 21'
The Worldwide Yachting Centre, 12781 Kingfish Drive, Treasure Island, FL, 33706



























