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Hull Gauge
Recomputed 5 Nov 2026, 03:30 UTC

Catalina 30vsJ/Boats J/30

Catalina Yachts against J/Boats · used asking prices, listed in the US

At the same age, the J/Boats J/30 and the Catalina 30 show no settled difference: pooled across the shared build years the J/Boats J/30 asks 3.2% less than the Catalina 30, but each year's Gauge Estimate points the other way. We can't yet say which holds its value better: the J/Boats J/30 has no published depreciation curve.

same age · 6 shared build years · 25 and 11 boats in them · Indicative · in today’s prices · asking, not sold

02

Year by year

Each build year's Gauge Estimate, for the 6 years both have boats in. Pooled across those years (25 and 11 boats), the J/Boats J/30 asks 3.2% less than the Catalina 30. Taken together, the estimates below point another way: each draws on boats built up to three years either side, while the same-age figure pairs boats of exactly the same build year, and with this few boats the two can differ. Read the same-age figure as Indicative, not settled.

Catalina 30Year builtJ/Boats J/30
£14,500 (48)
1986—
—
1983−8.0%
£11,500 (10)
£12,500 (43)
1982+8.0%
£13,500 (10)
£12,500 (39)
1981+12%
£14,000 (10)
£12,000 (30)
1980+13%
£13,500 (10)
1979+44%
£13,000 (9)
Gauge Estimate by year built · comparable boats in brackets, built within three years either side · — below eight comparable boats; a year where neither has eight is left out · the gap is the right-hand model against the left
03

What your budget buys

£3.5k£15k£26.5k
Catalina 30
1985
newest build year whose Gauge Estimate is at or under £14,000 (£13,500, 50 comparable boats)
3
of the 4 boats listed now ask £14,000 or less
J/Boats J/30
1983
newest build year whose Gauge Estimate is at or under £14,000 (£11,500, 10 comparable boats)
5
of the 11 boats we observed were asking £14,000 or less, in today's prices (none listed now)

At £14,000 your money buys 2 years newer in the Catalina 30: a 1985 against a 1983.

04

A year of ownership

Each at its Gauge Value, on a South Coast marina berth, 44 engine hours a year (the median of 103 UK-listed sailing boats that report hours). An estimate in pounds from published rates, not a quote.

Catalina 30MeasureJ/Boats J/30
£700
Depreciation (not in total)
withheld
£5,000
Berth
£5,000
£1,000
Maintenance
£1,100
£450
Lift-out and antifoul
£450
£150
Insurance
£150
£250
Fuel
£150
£6,850
Total a year, before depreciation
£6,850

Each line is the middle of the cited range, to the nearest fifty pounds. Depreciation is a year of age on each model's published curve, at its Gauge Value, and stays out of the totals.

The J/Boats J/30 has no published depreciation curve, so its depreciation is withheld.

Sources: Lake Yard price list 2026 · BerthFinder · Boatsetter · Velos Insurance; Admiral Yacht Insurance · Boating Magazine, "Calculating Boat Fuel Consumption" · Littlehampton Marina fuel prices

05

Specification

Catalina 30MeasureJ/Boats J/30
9.14 mfrom listings
Length overall
9.14 mfrom listings
Sail
Type
Sail
“from listings” marks figures read from the listings themselves; unmarked figures are from our model register and not yet checked against a builder’s published source.
06

Questions

Which is cheaper, the Catalina 30 or the J/Boats J/30?

There is no settled difference at the same age. Pooled across 6 shared build years the J/Boats J/30 asks 3.2% less than the Catalina 30, but year by year our Gauge Estimates point the other way, so read the same-age figure as Indicative, not settled. Their Gauge Values, the median asking prices of all the boats we observed whatever their age, are £13,500 and £14,500.

Which holds its value better?

We can't say yet. The Catalina 30 loses about 5.1% of its asking price a year of age, but the J/Boats J/30 has no published depreciation curve: we fit one from at least 20 boats across six build years and publish it only when the fit holds. We have 11 J/Boats J/30 boats across 6 build years.

Which spends less time on the market?

Boats of the Catalina 30 had been listed a median of 147 days when we last saw them, against 378 days for the J/Boats J/30. That is time listed so far, not time to sell, which we don't measure yet. 31% of the Catalina 30 boats we saw 14 or more days apart cut their asking price; too few J/Boats J/30 boats were seen that far apart to say.

How do you compare them like for like?

We compare boats of the same build year. For each of the 6 years both models have boats in, we take the ratio of their median asking prices in today's prices, then pool the years, giving more weight to years with more boats on both sides. The figure is Indicative because the thinner side has 11 boats in those years. The Gauge Values compare the whole fleets instead, so they mix boats of different ages.

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