Sea Ray 300 Sundancer Buyer's Guide, From the 1990s Boat to the 2007

Sea Ray 300 Sundancer for sale: first work out which 300 it is

Type Sea Ray 300 Sundancer for sale into any listing site and you will get boats built 15 years apart that share nothing but a badge. J.D. Power's model-year data shows three runs of the nameplate: 1985 to 1989, 1992 to 1997, and 2002 to 2007. The early boats are now rare and cheap; the market is dominated by the second and especially the third generation.

They are both twin-engine, 21-degree-deadrise express cruisers with a forward berth, a mid-cabin under the helm deck and an enclosed head with shower. Beyond that the details differ: hull and overall length, fuel capacity, standard engines and the way the cockpit and swim platform are shaped. Get the model year from the hull identification number before you compare prices or specs, because a 1996 and a 2006 should never be priced against each other.

The 1992 to 1997 boat: 30 feet 6 inches and a bow pulpit

Sea Ray's 1996 specification page describes the mid-1990s 300 Sundancer as 30 feet 6 inches long, or 33 feet 1 inch with the standard bow pulpit, on a 10-foot-6-inch beam. Dry weight was 10,300 pounds and it carried 200 gallons of fuel, 35 gallons of water and a 28-gallon holding tank. Draft ran 42 inches with the sterndrives down, 22 inches tilted, or 35 inches with inboards.

It is a period piece: a painted aluminum sport spoiler rather than a molded arch, a walk-through transom with a door, an integral swim platform and a curved tinted windshield with an electric center vent. Below, a full-size forward berth, a choice of convertible dinette (Plan A) or couch and table (Plan B), a mid-stateroom double bunk behind a sliding privacy door, a small galley with a dual-voltage refrigerator, microwave and two-burner electric stove, and a fiberglass stand-up head with shower.

Standard power in 1996 was surprisingly modest: twin 5.7L MerCruiser Alpha I counter-rotating sterndrives at 210 hp each. Options climbed through 220 and 250 hp gas sterndrives (including Bravo III drives), a 200 hp MerCruiser D4.2L diesel package and V-drive inboards at 260 or 290 hp. If you are buying a 1990s boat, the 250 hp Bravo III or V-drive boats are the ones to want; the base Alpha I package is light on torque for a loaded 30-footer.

The 2002 to 2007 boat: more platform, less fuel

Sea Ray introduced "the new Sea Ray 300 Sundancer" on its website in late 2001 for the 2002 model year, pitching it as a hideaway that sleeps six. The dimensions moved the boat in a direction that tells you a lot about the market of the time. Overall length with the standard extended swim platform became 33 feet 4 inches, beam shrank slightly to 10 feet 5 inches, dry weight rose to 12,000 pounds (12,500 from 2003), and fuel dropped to 170 gallons. Water and holding stayed at 35 and 28 gallons.

That is a boat optimized for the cockpit and the swim platform rather than for range. Sea Ray's 2007 feature list stresses a wide bench helm seat with two flip-up bolsters, a large cockpit wet bar with room for an optional refrigerator, an extended swim platform sculpted to look like part of the hull, big transom storage, wide side decks and an electrically actuated engine hatch. Weatherproof switch pads with electronic interface modules replaced the old rocker panels on the later boats.

With 170 gallons, plan fuel stops more carefully than you would on the 1990s 200-gallon boat, especially with the bigger optional engines.

Plan A or Plan B: reading the salon layout in a listing

Both the 1990s and 2000s boats were sold with two salon plans, and listings rarely say which one you are looking at. On the 2002 to 2007 boats Sea Ray described Plan A as an opposing dinette and Plan B as a crescent-shaped sofa with a table. The dinette converts to a bed and seats four for dinner; the crescent sofa is the better lounge for two couples and feels more open.

The mid-stateroom is the same idea in both: a conversation pit under the helm deck that converts to a double berth with a slide-out base and dedicated filler cushion storage, with a privacy curtain rather than a door on the later boat. Forward is a double berth. The single head has a VacuFlush toilet and shower curtain. It is a comfortable weekend cruiser for two couples or a family of four; six aboard is possible but tight.

Power choices and what to look for

Sea Ray fitted the 2002 boat with twin 5.0L EFI Bravo II sterndrives and the 2003 boat with twin 5.0L MPI Bravo II units. By 2007 the base package was twin 5.0L MPI Bravo III sterndrives at 260 hp each, and the option sheet listed twin 350 Magnum MPI Bravo III (300 hp), MX6.2 MPI Bravo III (320 hp), Horizon versions of both with closed cooling, and Volvo Penta D4-260 and D6-310 diesel sterndrives.

At 12,500 pounds dry, the 300 benefits from the 350 Magnum or MX6.2 upgrade if you load it for cruising or run with family aboard. Horizon packages with freshwater cooling are worth a premium for saltwater boats because they protect the engine blocks and manifolds. The Volvo diesels are rare, more efficient and more expensive to repair; buy one only with records.

Sea Ray never published a performance curve for this boat that we could find, and a seller's claimed cruise speed is no substitute for a sea trial at your own loading.

How the 300 quietly became the 310

The third-generation 300 did not disappear so much as change its name. Sea Ray's 2007 310 Sundancer specification lists the same 33-foot-4-inch overall length and 10-foot-5-inch beam as the 2007 300, with dry weight up to 14,000 pounds and fuel back to 200 gallons. J.D. Power lists both models in 2007 and the 310 alone from 2008. If you like the 300's layout but want more fuel and a newer boat, the 2007 to 2009 310 Sundancer is the logical step, and we cover it separately.

Pricing a 300 Sundancer in 2026

Original MSRPs tell you how much the boat climbed: J.D. Power lists roughly $45,000 to $57,000 for 1985 boats, $79,000 to $99,000 in 1992, about $120,000 to $162,000 in 1997 and $162,000 to $234,000 for a 2007 depending on engines. Its current average retail values run from the low teens for 1990s boats to roughly $46,000 to $65,000 for a 2007.

Real asking prices are typically higher than those averages, particularly for freshwater boats with low hours and recent canvas. We would expect clean 2002 to 2007 boats to ask between the low $30,000s and about $80,000, and 1990s boats from the mid-teens to the low $30,000s. A boat that has been repowered or had new drives within a few seasons deserves a premium; a boat needing both does not deserve to be bought at full asking.

Running costs for a twin-gas 30-footer are roughly $9,000 to $16,000 a year before fuel-heavy seasons: slip, insurance, two sets of drive service, bottom work, winterization in the north and the steady drip of canvas, upholstery and electronics.

Where 20-year-old 300s hide their problems

These boats were built in large numbers and most problems are well known. Production cruisers of this period commonly use cored decks, so treat every fitting that has been through-bolted without proper sealing as a potential wet spot until a moisture meter says otherwise. Twin sterndrives in salt water need annual attention and expensive periodic overhauls. Original interiors from the early 2000s are now tired; budget for upholstery and headliner work even on a boat that shows well in photos.