• Slide: The Image of 2005 Cobalt 343 boat on a trailer outside a storage facility. - 2The Image of 2005 Cobalt 343 boat on a trailer outside a storage facility. - 2
  • Slide: The Image of 2005 Cobalt 343 boat on trailer, parked near a building. - 3The Image of 2005 Cobalt 343 boat on trailer, parked near a building. - 3
  • Slide: The Image of Close-up of a 2005 Cobalt 343 engine with Mercury Racing components. - 4The Image of Close-up of a 2005 Cobalt 343 engine with Mercury Racing components. - 4
  • Slide: The Image of 2005 Cobalt 343 boat with white seating in a showroom. - 5The Image of 2005 Cobalt 343 boat with white seating in a showroom. - 5
  • Slide: The Image of 2005 Cobalt 343 boat interior with white seating and modern dashboard. - 6The Image of 2005 Cobalt 343 boat interior with white seating and modern dashboard. - 6
  • Slide: The Image of 2005 Cobalt 343 boat interior with white seating and wood accents. - 7The Image of 2005 Cobalt 343 boat interior with white seating and wood accents. - 7
  • Slide: The Image of Luxury interior of 2005 Cobalt 343 boat with white leather seats and modern dashboard. - 8The Image of Luxury interior of 2005 Cobalt 343 boat with white leather seats and modern dashboard. - 8
  • Slide: The Image of Luxury interior of 2005 Cobalt 343 boat with white seating and cup holders. - 9The Image of Luxury interior of 2005 Cobalt 343 boat with white seating and cup holders. - 9
  • Slide: The Image of Luxury seating in a 2005 Cobalt 343 boat with white upholstery and speaker. - 10The Image of Luxury seating in a 2005 Cobalt 343 boat with white upholstery and speaker. - 10
  • Slide: The Image of Interior view of a 2005 Cobalt 343 boat, featuring sleek design and speaker system. - 11The Image of Interior view of a 2005 Cobalt 343 boat, featuring sleek design and speaker system. - 11
  • Slide: The Image of 2005 Cobalt 343 boat interior with sleek design and modern audio system. - 12The Image of 2005 Cobalt 343 boat interior with sleek design and modern audio system. - 12
  • Slide: The Image of Dashboard of a 2005 Cobalt 343 boat with gauges and steering wheel. - 13The Image of Dashboard of a 2005 Cobalt 343 boat with gauges and steering wheel. - 13
  • Slide: The Image of Control panel of a 2005 Cobalt 343 boat with multiple switches. - 14The Image of Control panel of a 2005 Cobalt 343 boat with multiple switches. - 14
  • Slide: The Image of Dashboard of a 2005 Cobalt 343 boat with multiple gauges and dials. - 15The Image of Dashboard of a 2005 Cobalt 343 boat with multiple gauges and dials. - 15
  • Slide: The Image of Dashboard of a 2005 Cobalt 343 boat with gauges and Garmin GPS. - 16The Image of Dashboard of a 2005 Cobalt 343 boat with gauges and Garmin GPS. - 16
  • Slide: The Image of Control panel of a 2005 Cobalt 343 boat with gauges and switches. - 17The Image of Control panel of a 2005 Cobalt 343 boat with gauges and switches. - 17
  • Slide: The Image of Dashboard of a 2005 Cobalt 343 boat with gauges and switches. - 18The Image of Dashboard of a 2005 Cobalt 343 boat with gauges and switches. - 18
  • Slide: The Image of Dashboard of a 2005 Cobalt 343 boat with gauges and controls. - 19The Image of Dashboard of a 2005 Cobalt 343 boat with gauges and controls. - 19
  • Slide: The Image of Interior of a 2005 Cobalt 343 boat with beige seating and modern amenities. - 20The Image of Interior of a 2005 Cobalt 343 boat with beige seating and modern amenities. - 20
  • Slide: The Image of Luxurious interior of a 2005 Cobalt 343 boat with beige leather seating. - 21The Image of Luxurious interior of a 2005 Cobalt 343 boat with beige leather seating. - 21
  • Slide: The Image of 2005 Cobalt 343 boat interior with compact marine toilet. - 22The Image of 2005 Cobalt 343 boat interior with compact marine toilet. - 22
  • Slide: The Image of Luxurious interior of a 2005 Cobalt 343 boat with beige seating. - 23The Image of Luxurious interior of a 2005 Cobalt 343 boat with beige seating. - 23
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2005 Cobalt 343

$169,900

Used

Boat in Lakeside Marblehead, OH 43440 US

builtBuilt in 2005
Year the boat was built
model

343

Boat model
engine

2 Engines (Mercury Racing, Mercury Racing)

Engine type and count
length

35 feet

Overall boat length
fuel

Gas

Fuel type
material

Fiberglass/Reinforced

Hull material

New arrival!

Beautiful 343 Cobalt cruiser with mercury high performance 525 motors, and whipple superchargers. Available now at Marine Tech Concepts

Equipped with twin high-performance engines, this boat delivers impressive speed and acceleration, making it ideal for adrenaline-fueled adventures and watersports activities.
The 2005 Cobalt 343 is a sleek and powerful performance boat designed for thrill-seekers and boating enthusiasts. With its aggressive lines and sporty appearance, this vessel stands out on the water. Measuring at 34 feet and 3 inches in length, it offers a perfect balance between size and maneuverability.

The Cobalt 343 boasts a spacious and well-designed cockpit that comfortably accommodates several passengers. The high-quality upholstery and luxurious finishes enhance the overall comfort and elegance of the interior. Equipped with twin high-performance engines, this boat delivers impressive speed and acceleration, making it ideal for adrenaline-fueled adventures and watersports activities.

Nominal Length
35ft
Length Overall
35ft
Beam
9.67ft
Max Bridge Clearance
5.75ft
Max Draft
3.08ft
Drive Up Draft
2.33ft
Freeboard
2.33ft
Deadrise At Transom
25deg
Dry Weight
10200lb
Heads
1
Fresh Water Tanks
10gal
Fuel Tanks
200gal
Windlass
electric-windlass
Hull Material
fiberglass
Hull Shape
deep-vee
Engine 1
Engine Make
Mercury Racing
Engine Model
Twin 502 W/ SC---Bravo 1 XR
Total Power
750hp
Engine Hours
70
Engine Type
inboard-outboard
Fuel Type
gasoline
Drive Type
stern
Propeller Type
4-blade
Propeller Material
stainless-steel
Engine 2
Engine Make
Mercury Racing
Engine Model
Twin 502 W/ SC---Bravo 1 XR
Total Power
750hp
Engine Hours
72
Engine Type
inboard-outboard
Fuel Type
gasoline
Drive Type
stern
Propeller Type
4-blade
Propeller Material
stainless-steel
Swimming Ladder
✓
Road Trailer
✓
Launching Trailer
✓
Electric Bilge Pump
✓
Marine Head
✓
Air Conditioning
✓
Fresh Water Maker
✓
Sea Water Pump
✓
Battery Charger
✓
Depthsounder
✓
Tv Set
✓
Radio
✓
Gps
✓
Vhf
✓
Cockpit Cover
✓
Shore Power Inlet
✓
Generator
✓
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.

Price History

DateEventPrice
10/15/25Initial price$169,900

2005 Cobalt 343 Video Tours

Contact Marine Tech Concepts

7130 E Harbor Rd, Marblehead, OH, 43440

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Address

7130 E Harbor Rd
Marblehead, OH 43440

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7130 E Harbor Rd, Marblehead, OH, 43440

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