The Seamaster Sailer 19, introduced in 1971, represents a significant chapter in the history of British small-boat manufacturing. Designed by the esteemed naval architecture firm Laurent Giles, this 19-foot glass-reinforced plastic (GRP) cruiser was intended to bring the seaworthiness of larger vessels to the trailer-sailer market. Built by Seamaster Ltd in Great Dunmow, Essex, the boat was engineered during an era when fiberglass construction was reaching its industrial peak, resulting in a hull that is notably thicker and more robust than many of its contemporary counterparts.
Seamaster Sailer 19 Information, Review, Specs
- Make
- Seamaster
- Model
- Sailer 19
- Builder
- Seamaster Ltd.
- Designer
- Laurent Giles
- Number Built
- Production Year(s)
- 1971 - ??
While often overshadowed by its motor-cruiser siblings, the Sailer 19 utilized a hull form that was versatile enough to be offered in both sailing and motorboat configurations. The motor-only variant, often simply called the Seamaster 19, shared the same sturdy underwater profile but lacked the mast, rigging, and ballast required for sail. This cross-platform utility allowed Seamaster to appeal to both the casual river cruiser and the coastal sailor seeking a manageable, seaworthy pocket cruiser.
Sailing Performance & Handling
The Sailer 19 is characterized by its stability and predictable handling, a hallmark of Laurent Giles' design philosophy. Most units were produced with twin (bilge) keels, a configuration specifically chosen for the tidal estuaries of the UK, allowing the boat to dry out upright on mudflats or sandy bottoms. While twin keels typically trade off a few degrees of pointing ability upwind compared to a deep fin, the Sailer 19’s keels are well-profiled, providing enough lift to make the boat a capable coastal hopper.
With a relatively high ballast ratio for its size, the boat feels "stiff" under sail, meaning it resists excessive heeling even when caught in a stiff breeze. This makes it an ideal platform for novice sailors or families who prioritize safety and comfort over raw racing speed. According to records from the Seamaster Club, the Sailer 19 manages a respectable turn of speed off the wind, and its wide beam—relative to its 19-foot length—provides a buoyant stern that prevents squatting when pushed under power or heavy sail.
Interior Comfort & Variations
Despite its modest length, the interior of the Sailer 19 is an exercise in clever space management. The cabin typically features a four-berth layout: a V-berth in the bow and two longitudinal settees in the main salon that double as single bunks. While headroom is limited to sitting height, the use of large cabin windows provides a sense of openness that prevents the space from feeling claustrophobic.
Materials used in the interior reflect the practical standards of the 1970s, often featuring mahogany trim and vinyl-covered cushions over molded fiberglass liners. The boat was often equipped with a small slide-out galley area for a two-burner spirit stove and a modest sink. Variations in the layout are rare, as the hull's internal molding dictated much of the furniture placement, though some owners have modified the storage lockers to accommodate modern electrical systems or chemical toilets.
Known Issues & Buyer’s Checklist
Prospective buyers of a Seamaster Sailer 19 should focus their inspections on the integrity of the aging GRP and the specific hardware associated with a fifty-year-old vessel.
- Window Seal Leaks: The large side windows are prone to seal failure over time. Evidence of water staining on the interior woodwork or "crazing" in the acrylic panes usually indicates that a full re-sealing or replacement of the frames is necessary.
- Deck Compression: Like many boats of this era, the Sailer 19 uses a cored deck in some sections. Buyers should check for "soft spots" around the mast step and chainplates, which could indicate water ingress into the core.
- Keel Attachment: On twin-keel models, the join between the keels and the hull is a high-stress area. Inspect for "smile" cracks at the leading or trailing edges of the keel roots, which may suggest that the keel bolts require tightening or the backing plates need reinforcement.
- Standing Rigging: Many Sailer 19s still carry original or very old aluminum masts. A thorough inspection of the swage fittings and the forestay attachment point is critical before any coastal passage.
Community & Resources
The primary hub for owners is the Seamaster Club, an active association that provides technical support, historical archives, and a directory of sister ships. Because Seamaster Ltd shared parts and design elements across their fleet, the club is an invaluable resource for sourcing replacement components or navigating structural repairs.
The Verdict
The Seamaster Sailer 19 is a quintessential British pocket cruiser that offers a high degree of seaworthiness for its size. It is an excellent choice for sailors who need a trailerable boat capable of handling coastal chop or for those who sail in areas with significant tidal ranges.
Pros:
- Robust Construction: Heavy GRP layup provides long-term durability.
- Seaworthy Design: Laurent Giles pedigree ensures stable and predictable handling.
- Tidal Versatility: Twin keels allow for easy beaching and low-cost drying moorings.
- Strong Community: The Seamaster Club offers extensive technical and social support.
Cons:
- Limited Headroom: Interior height is restricted, typical of boats under 20 feet.
- Aging Systems: Original electrical and plumbing systems will likely require modernization.
- Weight: Heavier than modern 19-footers, requiring a more substantial towing vehicle.
Measurements
Construction & Hull
- Construction Material
- Fiberglass
- Hull Type
- Monohull Sailboat
- Keel Type
- Centerboard
- Rudder
- 1x —
- Ballast
- 1668 lbs
- Displacement
- 3370 lbs
- Water Capacity
- -
- Fuel Capacity
- -
Dimensions
- Length Overall (LOA)
- 19 ft
- Waterline Length (LWL)
- 17.5 ft
- Beam
- 7.17 ft
- Draft
- 5.5 ft
- Max Headroom
- -
- Air Draft
- -
Rig & Sails
- Rig Type
- Masthead Sloop
- P (Main Luff)
- -
- E (Main Foot)
- -
- I (Foretriangle Height)
- -
- J (Foretriangle Base)
- -
- Forestay Length (est)
- -
- Sail Area
- 187 sqft
Calculations
- Sail Area / Displacement (SA/D) Ratio
- 13.31
- Ballast / Displacement Ratio
- 49.5
- Displacement / Length Ratio (D/L) Ratio
- 280.72
- Comfort Ratio
- 21.03
- Capsize Screening Formula
- 1.91
- Hull Speed
- 5.61 kn