• Slide: The Image of 2003 Sea Ray 340 Sundancer docked by a wooden pier on a calm river. - 1The Image of 2003 Sea Ray 340 Sundancer docked by a wooden pier on a calm river. - 1
  • Slide: The Image of 2003 Sea Ray 340 Sundancer docked in a serene canal setting. - 2The Image of 2003 Sea Ray 340 Sundancer docked in a serene canal setting. - 2
  • Slide: The Image of 2003 Sea Ray 340 Sundancer docked on a calm river with lush greenery. - 3The Image of 2003 Sea Ray 340 Sundancer docked on a calm river with lush greenery. - 3
  • Slide: The Image of 2003 Sea Ray 340 Sundancer docked in a serene waterway, featuring a spacious deck. - 4The Image of 2003 Sea Ray 340 Sundancer docked in a serene waterway, featuring a spacious deck. - 4
  • Slide: The Image of 2003 Sea Ray 340 Sundancer boat with teak deck by the water. - 5The Image of 2003 Sea Ray 340 Sundancer boat with teak deck by the water. - 5
  • Slide: The Image of 2003 Sea Ray 340 Sundancer interior with elegant seating and wooden table on deck. - 6The Image of 2003 Sea Ray 340 Sundancer interior with elegant seating and wooden table on deck. - 6
  • Slide: The Image of 2003 Sea Ray 340 Sundancer boat with elegant seating and wooden table on deck. - 7The Image of 2003 Sea Ray 340 Sundancer boat with elegant seating and wooden table on deck. - 7
  • Slide: The Image of 2003 Sea Ray 340 Sundancer boat interior with seating and wood flooring. - 8The Image of 2003 Sea Ray 340 Sundancer boat interior with seating and wood flooring. - 8
  • Slide: The Image of 2003 Sea Ray 340 Sundancer boat interior with grill and seating area. - 9The Image of 2003 Sea Ray 340 Sundancer boat interior with grill and seating area. - 9
  • Slide: The Image of Luxurious seating area on 2003 Sea Ray 340 Sundancer yacht with wooden table and water view. - 10The Image of Luxurious seating area on 2003 Sea Ray 340 Sundancer yacht with wooden table and water view. - 10
  • Slide: The Image of 2003 Sea Ray 340 Sundancer cockpit with luxurious seating and wood-style flooring. - 11The Image of 2003 Sea Ray 340 Sundancer cockpit with luxurious seating and wood-style flooring. - 11
  • Slide: The Image of Luxurious seating on 2003 Sea Ray 340 Sundancer boat with quilted upholstery. - 12The Image of Luxurious seating on 2003 Sea Ray 340 Sundancer boat with quilted upholstery. - 12
  • Slide: The Image of Luxurious 2003 Sea Ray 340 Sundancer interior with plush seating and scenic waterway view. - 13The Image of Luxurious 2003 Sea Ray 340 Sundancer interior with plush seating and scenic waterway view. - 13
  • Slide: The Image of 2003 Sea Ray 340 Sundancer helm with Garmin and Raymarine navigation systems. - 14The Image of 2003 Sea Ray 340 Sundancer helm with Garmin and Raymarine navigation systems. - 14
  • Slide: The Image of 2003 Sea Ray 340 Sundancer boat kitchenette with mini fridge and countertop. - 15The Image of 2003 Sea Ray 340 Sundancer boat kitchenette with mini fridge and countertop. - 15
  • Slide: The Image of 2003 Sea Ray 340 Sundancer yacht on calm river, surrounded by lush greenery. - 16The Image of 2003 Sea Ray 340 Sundancer yacht on calm river, surrounded by lush greenery. - 16
  • Slide: The Image of 2003 Sea Ray 340 Sundancer cockpit with covered dashboard, leather seats, and scenic waterway view. - 17The Image of 2003 Sea Ray 340 Sundancer cockpit with covered dashboard, leather seats, and scenic waterway view. - 17
  • Slide: The Image of 2003 Sea Ray 340 Sundancer with Garmin radar, docked near a scenic waterway. - 18The Image of 2003 Sea Ray 340 Sundancer with Garmin radar, docked near a scenic waterway. - 18
  • Slide: The Image of Luxurious interior of 2003 Sea Ray 340 Sundancer yacht with elegant wood and leather finishes. - 19The Image of Luxurious interior of 2003 Sea Ray 340 Sundancer yacht with elegant wood and leather finishes. - 19
  • Slide: The Image of Interior of 2003 Sea Ray 340 Sundancer with curved seating and wooden cabinetry. - 20The Image of Interior of 2003 Sea Ray 340 Sundancer with curved seating and wooden cabinetry. - 20
  • Slide: The Image of Luxurious 2003 Sea Ray 340 Sundancer yacht interior with kitchenette and wood cabinetry. - 21The Image of Luxurious 2003 Sea Ray 340 Sundancer yacht interior with kitchenette and wood cabinetry. - 21
  • Slide: The Image of Luxurious interior of 2003 Sea Ray 340 Sundancer yacht with elegant seating and kitchenette. - 22The Image of Luxurious interior of 2003 Sea Ray 340 Sundancer yacht with elegant seating and kitchenette. - 22
  • Slide: The Image of 2003 Sea Ray 340 Sundancer cabin interior with bed and wooden accents. - 23The Image of 2003 Sea Ray 340 Sundancer cabin interior with bed and wooden accents. - 23
  • Slide: The Image of 2003 Sea Ray 340 Sundancer interior with beige seating and wooden flooring. - 24The Image of 2003 Sea Ray 340 Sundancer interior with beige seating and wooden flooring. - 24
  • Slide: The Image of Interior of 2003 Sea Ray 340 Sundancer with mounted flat-screen TV. - 25The Image of Interior of 2003 Sea Ray 340 Sundancer with mounted flat-screen TV. - 25
  • Slide: The Image of 2003 Sea Ray 340 Sundancer bathroom with sink, toilet, and mirrored cabinets. - 26The Image of 2003 Sea Ray 340 Sundancer bathroom with sink, toilet, and mirrored cabinets. - 26
  • Slide: The Image of Engine compartment of a 2003 Sea Ray 340 Sundancer with twin Mercury engines. - 27The Image of Engine compartment of a 2003 Sea Ray 340 Sundancer with twin Mercury engines. - 27
  • Slide: The Image of Engine compartment of a 2003 Sea Ray 340 Sundancer with Kohler power system. - 28The Image of Engine compartment of a 2003 Sea Ray 340 Sundancer with Kohler power system. - 28
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2003 Sea Ray 340 Sundancer

$89,000

Used

Boat in Lindenhurst, NY 11757 US

builtBuilt in 2003
Year the boat was built
model

340 Sundancer

Boat model
engine

2 Engines (2x MerCruiser V8)

Engine type and count
length

34 feet

Overall boat length
fuel

Gas

Fuel type
material

Fiberglass/Reinforced

Hull material

One of the nicest updated Sea Ray 340 Sundancer's we have seen. If you have been waiting for a special one, come inspect this boat. Turn-key and ready for this season. Check out video walkthrough below.

Twin MerCruiser's 8.1- fresh water cooled

Brand New risers and Manifolds

Brand New Batteries

Engine Hours 700 Aprox.

Generator- 230 HRS

All new flooring and soft goods 2020

Very clean well cared for boat

Turn-key and ready for this season

Autopilot

Garmin GPS & Radar

Mercury Vessel View

The Sea Ray 340 Sundancer features high performance, comfort, and quality, combined in one sleek cruising package. Her sleeping accommodations for six means ample accommodations for family and friends. New listing with specs and pics to follow soon.

Nominal Length
34ft
Length Overall
37.5ft
Beam
11.42ft
Max Draft
2.67ft
Deadrise At Transom
21deg
Dry Weight
14600lb
Heads
1
Fresh Water Tanks
40gal
Fuel Tanks
225gal
Holding Tanks
28gal
Hull Material
fiberglass
Hull Shape
deep-vee
Engine 1
Engine Make
MerCruiser V8
Engine Model
8.1 ISHO
Total Power
370hp
Engine Hours
717
Engine Type
inboard
Fuel Type
gasoline
Engine 2
Engine Make
MerCruiser V8
Engine Model
8.1 ISHO
Total Power
370hp
Engine Hours
717
Engine Type
inboard
Fuel Type
gasoline

Price History

DateEventPrice
1/14/26Price decreased$89,000(-10.1%)
8/29/25Price decreased$99,000(-5.7%)
7/2/25Price decreased$105,000(-6.3%)
6/28/25Initial price$112,000

Videos from Knot 10 Yacht Sales on this 2003 Sea Ray 340 Sundancer

2003 Sea Ray 340 Sundancer Video Tours

Overview from around the web 2003 Sea Ray 340 Sundancer

Customers praise the 2003 Sea Ray 340 Sundancer for its spacious and comfortable cabin, making it ideal for weekend getaways and extended cruising

Many highlight the boat’s solid construction and reliable performance, appreciating its smooth handling and powerful engines. The well-designed layout, including a fully equipped galley and roomy sleeping quarters, receives positive feedback for enhancing onboard comfort. Users also commend the ample deck space and stylish helm area, which contribute to an enjoyable boating experience. Overall, owners value the 2003 Sea Ray 340 Sundancer for its blend of luxury, functionality, and dependable performance on the water.

The Biggest Pros and Cons

The 2003 Sea Ray 340 Sundancer is a popular express cruiser known for its blend of performance, comfort, and style. Here are some pros and cons to consider:

Pros

Spacious Layout: The 340 Sundancer offers a well-designed interior with comfortable sleeping accommodations, a fully equipped galley, and a roomy cockpit, making it ideal for weekend cruising or overnight stays.

Performance: Powered by reliable engines, this model delivers smooth handling and good speed, suitable for coastal cruising.

Quality Construction: Sea Ray is known for solid build quality, and the 340 Sundancer features a sturdy fiberglass hull and quality finishes.

Amenities: It includes features like air conditioning, a full head with shower, and entertainment systems, enhancing onboard comfort.

Good Resale Value: Due to its popularity and Sea Ray’s reputation, this model tends to hold its value well in the used boat market.

Cons

Fuel Consumption: As with many express cruisers in this size range, fuel efficiency may be moderate, especially at higher speeds.

Maintenance Costs: Upkeep for this boat, including engine and systems maintenance, can be on the higher side compared to smaller or simpler vessels.

Limited Headroom: While comfortable, the cabin headroom may feel a bit low for taller individuals.

Aging Electronics: Depending on previous ownership, onboard electronics and systems might be outdated and could require upgrades.

Docking and Maneuvering: Its size and weight might make docking and close-quarters maneuvering more challenging for less experienced boaters.

Made For

The 2003 Sea Ray 340 Sundancer is perfect for boating enthusiasts and families who appreciate a blend of comfort, performance, and style. Ideal for weekend getaways, day cruising, or entertaining guests on the water, this versatile cruiser offers spacious accommodations, a well-designed cockpit, and reliable handling. Whether you're seeking relaxing afternoons on the lake or coastal adventures, the Sea Ray 340 Sundancer provides an enjoyable and luxurious boating experience for both seasoned sailors and those new to boating.

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