Licensed Yacht BrokersSales and service of yachts and shipsIntroducing the 343byCOBALT— a performance-focusedmotor yachtbuilt on afiberglass hullfoundation and powered by two Mercury Gas/Petrol engines. Presented by Andrey Shestakov and Shestakov Yacht Sales. Thismotor yachtbalances quick cruising with compact accommodations for two.
Selecting a 343
If you value high pace and a nimble footprint, the 343stands out: 35 ft (10.67 m) LOA, 9 ft (2.95 m) beam, and a 3 m (9.843 ft) draft. As amotor yachtwith afiberglass hullbuild, it offers a 45 kn (45 mph) cruise and up to 70 kn (70 mph) at the top end. Twin Mercury power and Gas/Petrol fueling complement owners seeking spirited rides with straightforward service.
Features of the Model
- Performance: cruise at 45 kn (45 mph); top speed 70 kn (70 mph)
- Power: two Mercury Gas/Petrol engines (2)
- Build: fiberglass hullhull; Fiberglass deck
- Dimensions: LOA 35 ft (10.67 m); Beam 9 ft (2.95 m); Draft 3 m (9.843 ft)
- Comfort: accommodations for 2; 1 head
- Capacities: fuel 200 gal; water 10 gal
Technical Specifications
- Model: 343byCOBALT
- Category: motor yacht; Sub-category:motor yacht; Hull category:fiberglass and plastic
- LOA: 35 ft (10.67 m)
- Beam: 9 ft (2.95 m)
- Draft (max): 9.843 ft (3 m)
- Engines: 2 x Mercury (Gas/Petrol)
- Speeds: cruise 45 kn (45 mph); max 70 kn (70 mph)
- Hull: fiberglass and plastic; Deck: Fiberglass
- Accommodation: 2; Heads: 1
- Capacities: Fuel 200 gal; Water 10 gal
Pricing and Ordering
For current pricing, availability, and ordering the 343byCOBALT, contact Andrey Shestakov at Shestakov Yacht Sales. Our team will guide you through specifications review, offers, and closing logistics worldwide.
Questions and Answers
Q: What are the performance figures of the 343? A: With twin Mercury power, the343delivers acruise speedof 45 kn (45 mph) and atop speedof 70 kn (70 mph).
Q: What type of yacht is this model? A: It is a motor yachtclassified as amotor yachtwith afiberglass hullhull — an agile, performance-oriented setup.
Q: How many people can sleep aboard, and how many heads are there? A: The 343providesaccommodationsfor 2 and includes1 headfor essential onboard comfort.
Q: What are the key dimensions and draft? A: LOAis 35 ft (10.67 m),beamis 9 ft (2.95 m), anddraftis 9.843 ft (3 m), helping you plan slips and waterways.
Q: What are the fuel and water capacities, and how do I order? A: Fuel capacityis 200 gal andwater capacityis 10 gal. Forordering, reach Andrey Shestakov at Shestakov Yacht Sales to secure the343fromCOBALT.
Owner Experience Review
Owners position the 343fromCOBALTas a versatile dayboat-weekender: it sees family day-cruising, social outings, and genuine overnighting, with the enclosed head and V-berth used for multi-day trips including Bahamas and Dry Tortugas runs. The large cockpit and high level of fit-and-finish draw consistent praise, and taller owners note the cabin and cockpit feel genuinely spacious.
On the water, the deep-V/stepped hull delivers a smooth, confident ride in chop, with handling that stays responsive and secure at speed; owners say it carves turns well and feels solid for nearshore and offshore runs. Typical cruise is around 40–45 mph, and many reports put top speed in the high-50s to low-60s mph range, often with twin MerCruiser 496 HO power.
Ownership notes are largely positive on build quality and detailing, but recurring maintenance themes do come up. Several owners report idle and idle-air control issues on the MerCruiser 496 HO, tight engine-room and genset access that complicates belt and service work, and harder-to-reach electrical components with some corrosion reported in engine-compartment breakers; routine stern-drive service also features in histories.
Pros and Cons
- Smooth, confident ride in chop from the deep-V/stepped hull with responsive, secure handling that carves turns well.
- Real-world performance with roughly 40–45 mph cruise and high-50s to low-60s mph top speed.
- Spacious cabin and cockpit with high-quality fit-and-finish, plus enclosed head and V-berth for comfortable overnights.
- Some owners report MerCruiser 496 HO idle and idle-air control issues requiring troubleshooting or module replacement.
- Tight engine-room and genset access can make belt and routine service work inconvenient.
- Electrical and component access can be awkward, with occasional corrosion noted in engine-compartment breakers.
Comparison with Other Models
| Model | LOA | Beam | Draft | Speed (Cruising/Max) | Gross Tonnage |
|---|---|---|---|---|---|
| 343 | 35' 0" (10.67 m) | 9' 0" (2.95 m) | 9' 10" (3 m) | 45 kn / 70 kn | - |
| 272 | 27' 0" (8.23 m) | 8' 0" (2.59 m) | 6' 0" (1.83 m) – 10' 8" (3.25 m) | - | - |
| R6 | 26' 0" (7.92 m) | 8' 0" (2.59 m) | 5' 2" (1.58 m) – 9' 10" (3 m) | - | - |
| R4 | 24' 0" (7.32 m) | 8' 0" (2.59 m) | 5' 2" (1.58 m) – 9' 10" (3 m) | - | - |
| 222 | 23' 0" (7.01 m) | 8' 0" (2.59 m) | - | - | - |
| 302 | 31' 0" (9.60 m) | 9' 0" (3.02 m) | 7' 1" (2.17 m) – 12' 0" (3.67 m) | - | - |
| 24SD | 24' 0" (7.47 m) | 8' 0" (2.59 m) | 6' 10" (2.08 m) – 10' 1" (3.08 m) | - | - |
| 24 SX | 24' 0" (7.54 m) | 8' 0" (2.59 m) | 4' 11" (1.50 m) – 10' 1" (3.08 m) | - | - |
| A40 | 40' 0" (12.19 m) | 12' 0" (3.66 m) | 6' 7" (2 m) – 10' 11" (3.33 m) | - | - |
| R5 | 25' 0" (7.62 m) | 8' 0" (2.59 m) | 5' 9" (1.75 m) – 10' 1" (3.08 m) | - | - |
Learn more on the “COBALT - 343”
To learn more on the “COBALT - 343” or to get advice on how to buy or sell a yacht or get a great price for a yacht charter
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