2005 Cobalt 343 Boat in Chelan, WA 98816 US
Built in 2005
343
2 Engines (2x MerCruiser)
35 feet
Gas
Fiberglass/Reinforced
An Immaculate Performance Boat Custom Built for Cobalt's CEO!
Turn heads at the dock before delivering an unmatched ride. This is a truly Rare Opportunity to own a piece of Cobalt history, combining performance, luxury, and an attention to detail like few others on the water. This vessel is ideal for the discerning boater seeking performance and pedigree.
Motivated Seller recognizes that this truly impeccable vessel may need to travel from the West Coast to be fully appreciated by a discerning owner.
*** Having been enjoyed by three discerning owners, this vessel has benefited from an Open Checkbook while living its life in the freshwaters of the Pacific Northwest.
*** She has alphabetized Repair & Maintenance Records on file and available upon request. You are welcome and encouraged to talk with us about this very special vessel!
*** She enjoys a monthly detailing by her Dedicated Detailing Team. No chips, no scratches, zero stains, zero boat smells. Perfect and pristine throughout.
*** This 2005 Cobalt 343 is in the water and covered in a private gated access Marina for the summer. You will LOVE the experience of stepping aboard! Hurry before she heads back out of the water!
Highlights Include:
- Twin high-performance 496 engines - Mercury Bravo outdrives
- Only 492 hours on both engines
- Freshwater vessel
- Thrilling power and smooth cruising
- Signature Cobalt craftsmanship with premium upholstery and finishes
- Spacious, deep-V hull design for stability in rougher water
- Immaculately maintained - always stored indoors and regularly serviced
- Bimini Top
- Premium sound system
- Luxury cabin features
- Head & Sleeping Quarters (for 2) on board
- Open cockpit seating for 8
- Swim Platform with fresh water washdown, music controls, and drop down ladder
Additional Features Include:
- Gorgeous Helm Station with Stainless throttle / gear levers, Chart Plotter, Anchor Controls, Helm Switch Panel & More!=
- Storage in bulwarks and under all seats including a cooler
- Forward Stateroom includes Air Conditioning, a TV, a wrap around couch that turns into a bed and headboard lighting
- Easy access to the engine compartment
To truly appreciate this uniquely exhilarating luxury vessel, you must step aboard and experience it for yourself!
Disclaimer
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.
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.
Price History
| Date | Event | Price |
|---|---|---|
| 2/2/26 | Price decreased | $99,850(-3.8%) |
| 10/13/25 | Price decreased | $103,800(-2.8%) |
| 8/19/25 | Price decreased | $106,800(-1.9%) |
| 7/19/25 | Initial price | $108,900 |
Videos from Engel & Völkers Yachting on this 2005 Cobalt 343
2005 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.
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Boats For Sale in Washington, United States Similar to the 2005 Cobalt 343
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 2005 Cobalt 343 | ||||||
|---|---|---|---|---|---|---|
| Price | $99,850 | $96,950 | $89,000 | $82,900 | $49,950 | $149,800 |
| Location | Chelan | Seattle | Bellevue | Bellevue | Tacoma | Seattle |
| Nominal Length | 35' | 35' | 35' | 32' | 31' | 30' |
| Draft | 3' | - | - | - | - | - |
| Engine Make | MerCruiser | Mercury | MerCruiser | - | mercury | Volvo Penta |
| Total Engine Power | 375 hp | 496 hp | - | - | 425 hp | 300 hp |
| Days on Market | 402 | 553 | 47 | 47 | 88 | 140 |
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Engel & Völkers is one of the leading names in the luxury property and real estate market worldwide - an unparalleled expert in the field for over 40 years with an extensive global network. Our dedicated Engel & Völkers Yachting experts will be pleased to assist you with all your yachting concerns and requirements - no matter the size, scope, or service. Please fill in your contact details in the box below, and our yachting specialists will get back to you as soon as possible with expert advice and customized service. When it comes to any of your yachting needs, our international yacht brokers are here to help. Come and sail with us - we look forward to hearing from you!
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