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Hull Gauge
Recomputed 5 Nov 2026, 03:30 UTC

One year of the Sea Ray 300 Sundancer run, 1985–2007

1988
Sea Ray 300 Sundancer value

A 1988 Sea Ray 300 Sundancer is worth about £12,500€14,000$15,500 in today's asking prices, most likely between £8,500€10,000$11,000 and £15,000€17,500$18,000. Based on 19 comparable boats built between 1985 and 1991, 5 of them in 1988.

Gauge Estimate · 1988
Indicative · 19 comparable boats
£12,500€14,000$15,500

Likely range £8,500€10,000$11,000 – £15,000€17,500$18,000

5 boats built 1988 · 19 built 1985–1991 · listed since Sep 2020, in today's prices · any hours (typical 808 h) · every market alike · asking, not sold

in pounds

VAT is not measured for this model yet (0 of 19 boats state it paid, 3 not paid), so it does not move the estimate.

Enter the asking price from a listing to see where it sits against the 1988 boats and the likely range.

likely rangeestimateyour price, off the scale£, today's priceslog scale
01

The 1988 boats

Every Sea Ray 300 Sundancer built in 1988 that we have observed since May 2021, cheapest first in today's prices. Derived facts only: no seller, no listing, month not day.

asked $9,900 ≈ £7,500lying in the US · seen Nov 2021, below the likely range
asked $11,500 ≈ £9,500lying in the US · 50 h · seen Jun 2022, below the likely range
asked $19,400 ≈ £15,500lying in the US · seen Mar 2023, inside the likely range
asked €19,000 ≈ £16,500 listed 13 monthslying in France · 3,638 h · seen Jul 2022, above the likely range
asked $27,900 ≈ £22,500lying in the US · 737 h · seen Jun 2022, above the likely range

1 of 5 sits inside the likely range (hollow diamonds). Each boat is placed at its ask in today's prices and labelled with the price as asked and the month we saw it; a cut shows its size, and how long we have seen the boat listed so far. How we measure.

02

Either side of 1988

The rest of the run on the same scale, in today's asking prices. The bar is each year's middle half (from ten boats), the tick its median (from five). Years with a page of their own are linked.

1985–1987—8 boats · fewer than five a year
1988£13,5005 boats
1989£12,5005 boats
1990–1991—1 boat · fewer than five a year
1992£17,5005 boats
1993–2007—28 boats · fewer than five a year
Today£12,500Gauge Estimate
2027£11,500−£1,000 on today
2028£10,500−£2,000 on today
2029£10,000−£2,500 on today

Keeping this boat one more year costs about £1,000 in value, before berth, insurance and maintenance.

04

Specification

What the listings say about the Sea Ray 300 Sundancer: each figure is the median, or the most common value, of the boats that state it, unless a source is cited.

Length overall
9.14 mfrom listings: median of 44
Beam
3.20 mfrom listings: median of 41
Draft
0.89 mfrom listings: median of 21
Engines
Twinfrom listings: 25 of 27
Engine power
260 hp eachfrom listings: median of 19
Fuel
Petrolfrom listings: 44 of 44
Build years seen
1985–2007from listings: 52 boats
05

Questions about the 1988 Sea Ray 300 Sundancer

How much is a 1988 Sea Ray 300 Sundancer worth?

A 1988 Sea Ray 300 Sundancer is worth about £12,500 in today's asking prices, most likely between £8,500 and £15,000. Based on 19 comparable boats built between 1985 and 1991, 5 of them in 1988.

What do 1988 Sea Ray 300 Sundancers ask?

The 5 boats built in 1988 that we observed asked a median of £13,500 in today's prices. Each boat is counted once, at its latest asking price; these are asking prices, not sale prices.

Is a 1988 Sea Ray 300 Sundancer cheaper than a 1989?

Yes, usually by about 7.9%: each newer build year of this model asks that much more, all else equal. The gap between individual boats is often larger, because hours, VAT status and where the boat lies move the price too.

How much will it lose next year?

About £1,000, or 7.4%, if the market holds where it is. That rate is fitted on 52 boats across the whole run, not a forecast of the market.

Are these sold prices?

No. Every figure here is built from asking prices seen on public listings. Boats usually sell for less than they ask; we do not yet measure by how much, so we never print a sold price as ours.