Seamaster Sailer 925 Sailboat Review, Specs, and Listings

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 is a Holman & Pye design that first appeared in 1972, originally sold under the names Seamaster 28 Sailer and Seamaster 880 Sailer before the 925 designation settled in for 137 of the 153 hulls built to the plan anchor. Seamaster Ltd., already a British pioneer of fiberglass construction, produced the type with a solid GRP hull and deck, and the boat reads today as a compact cruiser whose proportions and sail plan were considered progressive for their era.

Measurements

Dimensions 01

Length Overall
28.25 ft
Length on deck
Waterline Length
22.75 ft
Beam
9.92 ft
Draft
5 ft
Maximum Headroom
Air Draft

Construction & hull 02

Construction
Fiberglass
Hull Type
Monohull
Keel Type
Fin
Rudder
1× —
Ballast
2,800 lbs (Lead)
Displacement
7,000 lbs
Water Capacity
Fuel Capacity

Rig & sails 03

Rigging Type
Masthead Sloop
Mainsail luff
Mainsail foot
Foretriangle height
Foretriangle base
Forestay Length (estimated)
Sail Area

Calculations 04

Sail Area to Displacement Ratio
Ballast to Displacement Ratio
40
Displacement to Length Ratio
265.4
Comfort Ratio
20.87
Capsize Screening Ratio
2.07
Hull Speed
6.39 kn

Design and Construction

The 925 stretches to an overall length of 30'1" with a waterline of 22'7½" and a beam just shy of 10 feet, carrying a displacement of roughly 3½ tons on a lead-ballasted fin keel with about 5 feet of draft anchor. Those numbers place her among moderately proportioned small cruisers: the length-to-beam ratio sits at 3.01, and the ballast-to-displacement relationship is around 40 percent, giving a comfort ratio in the low 20s that suggests a settled motion rather than a featherweight racer. The wetted surface runs about 290 square feet, and the immersion rate near 1,044 pounds per inch means she settles predictably under load. Holman & Pye's mid-seventies British practice produced a masthead sloop with a fin keel, a configuration that the used record confirms as standard anchor.

Rig and Handling

As a masthead rig, the 925 carries a standard mainsail of about 154 square feet and a No. 1 jib near 169 square feet, with a deep inventory of optional canvas including a light genoa at 346 square feet, a No. 1 genoa at 337, a No. 2 genoa at 259, a 69-square-foot storm jib, and a spinnaker anchor. The sail-area-to-displacement ratio stands at 13.05, a figure that indicates modest power in light wind rather than sparkling acceleration. Sheet specifications are precise: jib and genoa sheets run about 30 feet at half-inch diameter, the mainsheet about 75 feet, and the spinnaker sheet about 66 feet. The capsize screening value is 2.00, a threshold below what offshore race rules accept, marking her as a sheltered-water and coastal cruiser rather than an ocean racer anchor.

Accommodations

Below, the design provides seven berths along with a galley and a toilet facility, a berth count that is generous for a boat under 29 feet and points to a layout meant for family cruising or a small crew anchor. The solid fiberglass deck and hull construction frame an interior meant to be lived in rather than stripped for racing, and the 5-foot draft keeps her within reach of most marina berths.

The Verdict

Writing in Sailing Today's December 2000 issue, the magazine concluded that although an older design, the Seamaster 925 was ahead of its time in many ways and represented good value for money anchor. The combination of a Holman & Pye pedigree, a deep optional sail inventory, and a berth plan rare in the size class makes her a sensible used-cruiser candidate for sheltered and coastal waters, though the capsize screen rules her out of offshore racing acceptance.

Pros

  • Holman & Pye design with period-progressive layout and sail plan
  • Seven berths with galley and head in under 29 feet
  • Predictable load behavior and marina-friendly 5-foot draft
  • Broad optional sail range including storm jib and spinnaker

Cons

  • Capsize screening value of 2.00 excludes ocean-race acceptance
  • Sail-area/displacement ratio of 13.05 signals modest light-air performance

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