The Island Class is a series of traditional glass-reinforced plastic (GRP) dayboats, most notably represented by the Island Class 14 and its larger sibling, the Island Class 16. Originally developed in the United Kingdom by Island Boats, these vessels were conceived as "modern classics"—boats that maintain the elegant, heavy-displacement lines of 19th-century working craft while utilizing contemporary materials for ease of maintenance. The Island Class occupies a specific niche in the nautical market, appealing to sailors who prioritize stability, aesthetic heritage, and seaworthiness over the high-performance metrics of modern racing dinghies. Often found in the estuaries of the South West of England and the Solent, these boats are recognized for their distinctive tanbark sails and high-quality hardwood trim, which provide a visual bridge between the era of wooden boatbuilding and the practicalities of GRP ownership.
Island Class Information, Review, Specs
- Make
- Island
- Model
- Class
- Builder
- McGruer
- Designer
- Alfred Mylne
- Number Built
- 10
- Production Year(s)
- 1929 - ??
Sailing Performance & Handling
The sailing characteristics of the Island Class are defined by its significant displacement and substantial beam-to-length ratio. Unlike lightweight planing dinghies, the Island Class 14 and 16 sit deep in the water, providing a sea-kindly motion that handles "chop" with far more grace than a lighter vessel. This is reflected in a high displacement-to-length ratio, ensuring that the hull remains stable and predictable even when the wind freshens.
Most Island Class boats are rigged as gunter sloops or occasionally as luggers. The gunter rig is particularly favored for its portability; because the spars are shorter than a standard Bermudian mast, they can be easily stowed within the length of the hull for trailering. On the water, this rig provides a low center of effort, which, combined with the boat's heavy internal ballast or weighted centerboard, makes the Island Class exceptionally difficult to capsize. According to historical reviews in Classic Boat Magazine, the 14-foot model is noted for its "docile" nature, making it an ideal platform for teaching novices or for solo sailors navigating tidal estuaries. While it is not a "pointing" machine and will not match the upwind angles of a modern fin-keel yacht, its ability to carry momentum through a tack is a noted strength.
The handling under oars is also a critical component of the design. The Island Class features a hull shape that tracks well, and the inclusion of multiple rowing positions allows the boat to be balanced regardless of the number of passengers. Under power, a small long-shaft outboard (typically 2 to 4 horsepower) is sufficient to reach hull speed, though the boat's weight requires a steady hand on the tiller to manage low-speed maneuvering in crosswinds.
Popular Mentions & Media
The Island Class has maintained a steady presence in the traditional boat community, frequently appearing in editorial roundups of the best "modern classic" dayboats. It has been a staple feature at the Beale Park Boat Show and the Classic Boat festivals, where it is often cited as a benchmark for GRP traditionalism. While it lacks a singular "famous" solo voyage, the class is celebrated in traditional boat literature and magazines like Water Craft for its role in the revival of the British dayboat scene in the late 20th century. The model is often discussed in the same breath as the Cornish Shrimper and the Devon Lugger, forming a "trinity" of GRP vessels that saved many traditional sailing clubs from the decline of wooden hull maintenance.
Known Issues & Buyer’s Checklist
When inspecting a pre-owned Island Class, the primary areas of concern relate to the intersection of its GRP hull and its wooden decorative elements.
- Centerboard Pivot and Trunk: The weighted centerboard is a heavy component. Over time, the pivot bolt can wear or the trunk can develop stress crazing at the base. Buyers should check for leaks around the centerboard case and ensure the lifting tackle (often a simple block and tackle) operates smoothly without binding.
- Wood-to-GRP Bonding: The Island Class features extensive mahogany or teak gunwales and thwarts. If the varnish has been neglected, water can seep behind the wood, leading to "blackening" of the timber or, in worse cases, rot in the mounting blocks. Check for any "soft" spots where the wood meets the fiberglass.
- Transom Stress: If the boat has been used with an oversized outboard motor, the transom may show signs of flexing or spiderweb cracking in the gelcoat. Ensure the outboard bracket is properly reinforced and that the transom remains rigid.
- Spars and Rigging: On gunter-rigged models, the "yard" (the upper spar) is under significant tension. Inspect the wooden spars for longitudinal cracks (shakes) and check that the gaff jaws are lined with leather or plastic to prevent chafing of the mast.
Community & Resources
Owners of the Island Class often find community within broader traditional boat organizations. The Old Gaffers Association (OGA) is the primary resource for technical advice on the rig and participating in rallies. In the UK, the Dinghy Cruising Association (DCA) frequently features Island Class owners who utilize the boat's stability for coastal "raid" style camping and cruising. While there is no longer a dedicated manufacturer-led owners' site, the technical archives of Classic Boat Magazine remain the gold standard for historical specifications and original design intent.
The Verdict
The Island Class is a quintessential choice for the sailor who values form as much as function. It is a robust, forgiving vessel that bridges the gap between a rowing skiff and a coastal cruiser.
Pros:
- Exceptional Stability: A very safe platform for families and older sailors.
- Timeless Aesthetics: The look of a classic wooden boat without the structural maintenance of timber.
- Versatility: Sails, rows, and motors equally well in a variety of coastal conditions.
- Ease of Launching: The gunter rig and trailer-friendly dimensions make it highly portable.
Cons:
- Weight: Significantly heavier than modern GRP dinghies, requiring a dedicated trailer and a winch for recovery.
- Performance Limits: It will not satisfy sailors looking for high-speed planing or aggressive upwind performance.
- Varnish Maintenance: Keeping the aesthetic "classic" requires regular upkeep of the hardwood trim.
Measurements
Construction & Hull
- Construction Material
- Wood
- Hull Type
- Monohull Sailboat
- Keel Type
- Full
- Rudder
- 1x Attached
- Ballast
- -
- Displacement
- 7060 lbs
- Water Capacity
- -
- Fuel Capacity
- -
Dimensions
- Length Overall (LOA)
- 28 ft
- Waterline Length (LWL)
- 20 ft
- Beam
- 7 ft
- Draft
- 4.5 ft
- Max Headroom
- -
- Air Draft
- -
Rig & Sails
- Rig Type
- Fractional Sloop
- P (Main Luff)
- -
- E (Main Foot)
- -
- I (Foretriangle Height)
- -
- J (Foretriangle Base)
- -
- Forestay Length (est)
- -
- Sail Area
- 418 sqft
Calculations
- Sail Area / Displacement (SA/D) Ratio
- 18.17
- Ballast / Displacement Ratio
- —
- Displacement / Length Ratio (D/L) Ratio
- 393.97
- Comfort Ratio
- 36.45
- Capsize Screening Formula
- 1.46
- Hull Speed
- 5.99 kn