2006 Cobalt 343 Sold Boat in Broken Arrow, OK 74012 US
Built in 2006
343
1 Engine (--)
36 feet
Gas
Fiberglass/Reinforced
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 2006 Cobalt 343 | ||||||
|---|---|---|---|---|---|---|
| Price | $74,950 | $74,655 | $73,828 | $69,999 | $69,999 | $79,943 |
| Location | Broken Arrow | Norman | Afton | Afton | Afton | Eufaula |
| Nominal Length | 36' | - | 22' | - | 29' | 23' |
| Engine Make | - | Mercury | Mercury | Yamaha | Mercruiser | Mercury |
| Total Engine Power | - | 250 hp | 250 hp | 150 hp | 380 hp | 300 hp |
| Days on Market | 398 | 57 | 546 | 153 | 21 | 372 |
| Get in touch |
Other Cobalt boats for sale in Oklahoma, United States
2006 Cobalt 343 - Performance Meets Luxury
This 2006 Cobalt 343 is the ultimate combination of power, luxury, and reliability. Known for its exceptional build quality, this model features a Kevlar-reinforced stepped hull - Cobalt's first-ever stepped design, engineered after years of R&D to deliver smooth handling and unmatched stability, even at high speeds.
With twin MerCruiser 496 HO engines (425 HP each) paired with Bravo 1X drives, and just 550 hours on the clock, this boat offers both thrilling performance and peace of mind. She cruises comfortably around 45 mph and tops out at an impressive 63 mph.
Key Features and Upgrades:
- Kevlar-reinforced hull for enhanced strength and safety
- Bravo 1X stern drives and 4-blade stainless steel props
- Twin MerCruiser 496 HO engines - 550 hours, meticulously maintained
- External 3x16 oil coolers - ideal for warm-climate boating
- Recent full service - all fluids and maintenance up to date
- Premium stereo system
- Onboard generator with A/C and heat
- Grass-style snap-in flooring throughout
- Spacious cockpit with wraparound seating, sunpad, and wraparound windshield
- Large swim platform with concealed ladder
- Electric head, cabin table, and V-berth filler cushion for overnighting
- Cockpit shower, bimini top, cockpit cover, salon cover, and two full mooring covers
Comfort Meets Capability
Whether you're chasing the horizon or enjoying a relaxing day on the water, the Cobalt 343 delivers. Its deep-V stepped hull cuts through chop with confidence, while the refined interior and roomy layout make it perfect for entertaining or weekend cruising.
From the versatile cockpit to the comfortable cabin, this boat was built for those who demand both performance and sophistication.
Summary
If you're looking for a high-performance, luxury sport cruiser that's been cared for with intention and precision, this Cobalt 343 deserves a serious look. It checks every box - power, comfort, upgrades, and a legacy of craftsmanship that few can match.
Price History
| Date | Event | Price |
|---|---|---|
| 2/4/26 | Price decreased | $74,950(-11.8%) |
| 8/8/25 | Initial price | $84,995 |
2006 Cobalt 343 Video Tours
Cobalt 343: BoatTEST Review
Overview
Cobalt has long been recognized for producing world-class sport boats, though it has not been widely known in the high-performance segment—until now. The Cobalt 343 represents a significant advancement for the brand, emerging from three years of dedicated research and development. This model is designed to combine high-performance capabilities with the luxury and attention to detail that Cobalt is known for, aiming to deliver an exhilarating and refined boating experience.
Exterior Design and Deck Features
The Cobalt 343 features a thoughtfully designed exterior that prioritizes both performance and comfort. Wide side decks facilitate easy movement around the boat, while a fender locker equipped with gas-assisted lifts provides convenient storage. The deck layout includes two individual sun pads and two stern benches separated by a spacious walk-through, with double-hinged seats offering ample storage beneath. Practical amenities such as an inflator for water toys and a tool kit are integrated into the port bench compartment, which also houses battery switches, main breakers, and canvas pole storage. The two-level transom and swim platform provide close access to the water, protected by a wraparound stainless steel bar that serves as a handhold and dock guard. A dive-style ladder deploys effortlessly via a lever, and stainless steel vents and fins ensure fresh air circulation to the engine compartment. Additional features include a swim shower and water hookup located in the starboard compartment.
Interior Living Spaces
Inside the cabin, the Cobalt 343 offers a level of refinement more commonly found on mega-yachts or aircraft. The cabin door is a solid, non-sliding design that opens to reveal a port-to-starboard V-shaped bench seating area. A flat-panel television is mounted in one corner, providing entertainment options for evening relaxation. The enclosed head includes a port-a-potty, sink, and vanity, ensuring privacy and convenience. At the stern, rear-facing bench seats create a spacious conversation area, with the double-hinged seating providing cavernous storage below.
Helm and Controls
The helm station of the 343 is designed with a futuristic, cockpit-like layout. To the left of the helm, a bank of rocker switches is complemented by two rows of gauges, including water and air temperature indicators as well as digital depth gauges. The helm features Gaffrig instrumentation and LaVorsi precision engine controls, allowing the operator precise command over the vessel. The pilot seat is equipped with electric lifts that enable a quick transition from seated to standing driving positions. This ergonomic and technologically advanced helm setup enhances control and comfort during operation.
Power and Performance
Performance on the Cobalt 343 is driven by twin 496 V8 engines, each producing 425 horsepower. The boat incorporates Cobalt's first-ever step-tall hull design, augmented by a padded keel and a knot's transom, which together contribute to exceptional stability and a smooth ride even in choppy seas. The hull design ensures the boat remains firmly planted on the water during straight runs and maintains excellent grip through turns. The engines feature a closed cooling system, an air-actuated single-point water drain system with an included air pump, and a single serpentine belt driving all components. The engine control module utilizes a motor oil microprocessor to optimize fuel mixture, knock control, and ignition timing independently for each cylinder, resulting in precise and efficient performance. The 343 measures 35 feet 4 inches in length overall with a beam of 9 feet 8 inches and a draft of 28 inches with the drive up, extending to 37 inches with the drive down. It weighs approximately 10,200 pounds with twin CERN drives and carries 200 gallons of fuel, meeting yacht certification standards. Economically, the boat cruises at 3,500 RPM, achieving 40.9 miles per hour with a fuel consumption of 31.5 gallons per hour, offering a range of 234 miles on a full tank. At wide-open throttle, it reaches 5,100 RPM and a top speed of 62.4 miles per hour.
Conclusion
The Cobalt 343 successfully blends high-performance engineering with the luxury and meticulous craftsmanship that the brand is known for. Its innovative hull design and powerful twin engines deliver thrilling speed and handling, while the thoughtfully designed interior and exterior spaces provide comfort and convenience for extended outings. With a top speed exceeding 60 miles per hour and a comprehensive suite of amenities, the 343 stands out as one of the most luxurious high-performance sport boats currently available.
Overview from around the web 2006 Cobalt 343
Customers praise the 2006 Cobalt 343 for its sleek design, spacious and comfortable cockpit, and excellent performance on the water
Many highlight the quality craftsmanship and attention to detail, noting the boat’s smooth handling and powerful engine options. The versatile layout, ample storage, and luxurious amenities make it ideal for both day cruising and longer trips. Overall, owners appreciate the blend of style, comfort, and reliability that the 2006 Cobalt 343 offers.
The Biggest Pros and Cons
The 2006 Cobalt 343 is a popular luxury sport boat known for its combination of performance, style, and comfort. Here are some pros and cons to consider:
Pros
Performance: Equipped with powerful engine options, the Cobalt 343 delivers strong and smooth performance on the water, making it suitable for cruising, watersports, and entertaining.
Build Quality: Cobalt boats are renowned for their solid construction and attention to detail, providing durability and a premium feel.
Comfort: The 343 offers spacious seating with high-quality upholstery, a well-designed cockpit layout, and ample storage, enhancing the overall boating experience.
Amenities: Features such as a well-equipped helm, a swim platform, and optional cabin accommodations make it versatile for day trips and overnight stays.
Handling: Excellent handling characteristics with stable and responsive steering, contributing to a confident and enjoyable ride.
Cons
Fuel Consumption: Due to its size and engine power, the 343 can have relatively high fuel consumption compared to smaller or more economy-focused boats.
Maintenance Costs: As a luxury boat with advanced features, maintenance and upkeep can be more expensive.
Cabin Space: While it offers some cabin amenities, the interior space may feel limited for extended overnight trips or larger groups.
Age: Being a 2006 model, some components or systems might require updates or refurbishing depending on prior maintenance and usage.
Made For
The 2006 Cobalt 343 is designed for boating enthusiasts who value a perfect blend of performance, luxury, and comfort. Ideal for families and groups seeking spacious seating and premium amenities, this model is great for day cruising, water sports, and entertaining on the water. Its versatile design appeals to those who want a stylish, reliable boat that delivers both power and smooth handling for memorable outings.
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Boat Location
Contact Action Powersports about 2006 Cobalt 343
2150 W. Concord Circle, Broken Arrow, OK, 74012
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