Seamaster Sailer 925 Sailboats for Sale

Holman & Pye·1978·~137 hulls·Seamaster Ltd.
Approximate drawing

Hover a measurement to read its value

Hull Type
Monohull · fin
Rig
Masthead Sloop
LOA
28.25' · 8.61 m
Disp.
7,000 lbs · 3,175 kg
First year
1978

The Seamaster 925 began life under a different name. Designed by the respected British firm Holman & Pye in 1972, the design was introduced as the Seamaster 28 — also known at various points as the Seamaster 880 Sailer — before settling into production as the 925. In total, 153 hulls were built, with 137 carrying the 925 designation. That the boat earned a feature in a major British sailing magazine nearly three decades after its introduction, where reviewers concluded it was ahead of its time in many ways, speaks to how well the Holman & Pye team understood the emerging cruiserracer market.

Market snapshot

Median asking · 12 mo
$ 10,716
Asking price · 13 listings
Recent listings · 90 d
1
13 tracked · 12 mo
3-month price trend
+22.8%
vs. 12-mo median
Countries with listings
5
United Kingdom (53.8%) · Netherlands (23.1%) · Switzerland (7.7%)

Recent Listings

9 for sale · showing 10 newest

Seamaster Sailer 925 Buyer's Guide

The Seamaster 925 occupies a particular niche in the used cruising market — a British production boat from the early 1970s that has aged remarkably well in terms of sailing ability while demanding the attentiveness any four-decade-old GRP vessel deserves. Designed by the respected office of Holman & Pye, the 925 (also sold at various points as the Seamaster 28 Sailer and the Seamaster 880 Sailer) was built in modest but meaningful numbers, and the surviving fleet retains a loyal following, particularly in Northern Europe. For a buyer approaching the used market, the key question is not whether the design is sound — Holman & Pye's reputation and the boat's track record answer that — but whether a given example has been maintained with the care a working cruiser requires. Condition variance across the existing fleet is wide, and the gap between a well-kept 925 and a neglected one is considerable.

Layouts on the Used Market

The Seamaster 925 was offered in a relatively consistent interior arrangement throughout its production run, and most examples you will encounter on the brokerage market share the same fundamental layout. The accommodation is genuinely generous for a 28-footer: seven berths are the standard count, a figure that reflects the British production-boat philosophy of the era — prioritise sleeping capacity, keep the saloon sociable, and tuck a functional galley and heads compartment into the remaining space. In practice, buyers shopping for a liveaboard or family cruiser will find the layout works well for a couple with occasional guests, even if filling all seven berths to capacity would test everyone's patience.

The heads and galley arrangements are typical of the period — a sea toilet and a simple galley to port or starboard depending on build variation — and a number of owners have updated these over the decades. The masthead rig gives the boat a clean, uncluttered deck profile, and the cockpit, while compact by modern standards, is manageable for short-handed sailing. Storage below is reasonable, though buyers accustomed to more recent designs may find it modest.

Equipment and Common Upgrades

Examples on the market today commonly carry an autopilot and chartplotter as baseline fitted electronics — these have become near-universal additions as the boats have passed through successive owners, each of whom tended to modernise the navigation suite. Autopilots in particular are a fixture, a reflection both of the boat's appeal to short-handed couples and of the passage of time since original commissioning, when such gear was exceptional rather than standard.

A short-handed setup — encompassing modifications to sail handling, line routing to the cockpit, and sometimes a furling headsail in place of the original hanked-on arrangement — is a common owner upgrade that buyers will find on a meaningful portion of available examples. This is worth looking for if you plan to sail two-up, as it materially affects the ease of managing the boat at sea.

The original Volvo Penta diesel (fitted as either the MD6A or MD1B in earlier hulls) is a robust but long-lived unit, and many boats will have had the engine replaced or substantially rebuilt at least once. When evaluating a specific boat, the engine's history and current condition deserve careful attention — a well-maintained Volvo Penta of this era will run reliably, but an ignored one carries significant cost.

What to Inspect

The 925's GRP construction is generally regarded as solid, but the age of the fleet means osmotic blistering is a realistic concern on any example that has spent extended time in the water without adequate barrier-coat protection. A thorough inspection of the hull below the waterline is essential — look for signs of prior blister repairs, assess the quality of the antifouling and any epoxy work, and consider whether a full osmosis survey is warranted before committing.

The fin keel attachment is a structural point that warrants close inspection on any boat of this vintage. Keel bolt condition, signs of movement at the keel-hull joint, and any weeping or staining around the stub are worth checking carefully; remediation is manageable but not trivial if neglected.

The rig is masthead configuration with a relatively straightforward standing rigging layout, but shroud chainplates — typically embedded in or through the deck — deserve inspection for signs of water ingress, corrosion, or deck delamination around the attachment points. Compression posts below the mast step and the mast step itself should also be checked for signs of rot or soft spots if any part of the structure is wooden.

Below decks, pay attention to the condition of the through-hulls and seacocks, which on older examples may be original bronze fittings in varying states of ease. The heads installation — whether original or replaced — and any plumbing associated with it should be checked for condition and compliance with current regulations in your sailing area.

The electrical system on most examples will have been partially or wholly modified over the decades, sometimes systematically and sometimes less so. Tracing the wiring and understanding what has been added by successive owners is prudent before purchase.

Availability and Buyer's Takeaway

The Seamaster 925 is most commonly found on the used market in the United Kingdom, which is where the majority of the production fleet has always been concentrated, with further availability across the Netherlands, Germany, Ireland, and Switzerland. The boat's strong following in the British cruising community means that specialist knowledge — surveyors familiar with the type, owners clubs, and class-specific documentation — is reasonably accessible, which is a genuine advantage for a buyer doing due diligence.

The Seamaster 925 rewards buyers who approach it as what it is: a well-designed older cruiser with a proven hull, a sensible rig, and the accumulated character (and deferred maintenance) that comes with age. A pre-purchase survey by a surveyor familiar with GRP boats of this era is not optional — it is the foundation of a sound purchase decision.

Pre-purchase checklist:

  • Hull osmosis survey, especially below the waterline and around the keel stub
  • Keel bolt condition and keel-hull joint integrity
  • Chainplate condition and surrounding deck structure
  • Mast step and compression post (check for soft spots or rot if timber is present)
  • Engine history, hours, and current condition
  • Through-hulls and seacock operability
  • Electrical system audit — understand what has been added and by whom
  • Sail inventory condition and rig standing-rigging age
  • Headsail furling system (if fitted) — check for wear at the swivel and drum
  • Heads plumbing and holding-tank compliance for your intended sailing area

Where they're listed

Seamaster Sailer 925 listings appear across 5 countries. United Kingdom has the most listings with 7 (53.8%), followed by Netherlands and Switzerland.

Median ask by country
USD · past 12 months
Share of listings
Count · past 12 months

Country view

13 listings · 5 countries
CountryMedian askListings · 12 moActive · 90 dShare
United Kingdom$ 10,7157053.8%
Netherlands$ 14,3063023.1%
Switzerland$ 34,632107.7%
Germany$ 13,162117.7%
Ireland$ 1,259107.7%

Comparable models

Similar length, displacement, and era. Open a row to compare that model's market page.

Similar boats to compare

6 similar designs
ModelLOAMedian askListings · 12 moActive · 90 d
Sadler 3231.5'$ 21,736527
Maxi 9531.17'$ 22,224167
Seamaster Sailer 925You are here$ 10,716131
Dehler Optima 9230.18'$ 18,345136
MacWester 2626'$ 4,71864
Endeavour 3232'$ 19,50050

Frequently asked questions

01How much does a used Seamaster Sailer 925 cost?+
The median asking price for a used Seamaster Sailer 925 over the past 12 months is $10,716. Prices vary by condition, year, equipment, and location.
02How many Seamaster Sailer 925 sailboats are for sale?+
1 Seamaster Sailer 925 listing has gone live in the last 90 days, and 13 have been tracked across the past 12 months.
03Are Seamaster Sailer 925 prices going up or down?+
The median asking price for the Seamaster Sailer 925 is up 22.8% over the last 3 months compared with the 12-month median.
04Where are Seamaster Sailer 925 sailboats for sale?+
The top markets for used Seamaster Sailer 925 listings over the past 12 months are United Kingdom (53.8%), Netherlands (23.1%), Switzerland (7.7%).
05Do Seamaster Sailer 925 listings get price reductions?+
About 100% of Seamaster Sailer 925 listings have had a price reduction, with an average discount of 20.8% off the original ask. If a listing has been on the market for more than 90 days without a cut, the seller may not be in a hurry.
06What should I look at instead of a Seamaster Sailer 925?+
Comparable models include Sadler 32, Maxi 95, Dehler Optima 92. Use the comparison table above to check pricing and availability.