The Halmatic 30 is a quintessential British "pocket cruiser," designed by John Sharp and introduced in 1979 as a response to the demand for a seaworthy, traditional long-keeled yacht that could be handled easily by a small crew. Emerging from the Portsmouth yard of Halmatic Ltd.—a firm already legendary for molding the hulls of prestigious brands like Camper & Nicholsons—the Halmatic 30 represented a move toward a proprietary model that prioritized heavy-weather capability over racing metrics. Often described as a "little ship" rather than a mere boat, the model was produced until approximately 1986, with nearly 200 units launched. While Halmatic provided the high-quality GRP hulls and decks, many units were completed by other yards or as high-end owner-completions, leading to a degree of variation in interior joinery and finish.
Halmatic 30 Information, Review, Specs

- Make
- Halmatic
- Model
- 30
- Builder
- Halmatic Ltd.
- Designer
- John B Sharp
- Number Built
- 95
- Production Year(s)
- 1979 - 1988
Sailing Performance & Handling
The Halmatic 30 is defined by its encapsulated long keel and heavy displacement, which provide a level of stability and directional tracking rarely found in modern fin-keeled designs of the same length. With a displacement of approximately 10,000 lbs, the boat has a high displacement-to-length ratio, translating to a motion at sea that is predictable and "kind" to its occupants. Yachting Monthly notes that the design excels in heavy weather, maintaining its course with minimal helm effort once the sails are balanced.
The masthead sloop rig is robust, usually featuring a relatively small mainsail and a larger genoa, which provides the necessary power to move the heavy hull in light winds. However, the boat truly comes into its own when the breeze exceeds 15 knots. While it lacks the "pointing" ability of a modern racer, its ability to punch through a head sea without slamming is a hallmark of the John Sharp design. Handling under power requires some practice, as is typical with long-keelers; the boat has a significant turning circle and can be idiosyncratic in reverse due to prop walk, but its heavy mass makes it less susceptible to being blown off-course during slow-speed maneuvers in a marina.
Interior Comfort & Variations
For a 30-foot vessel designed in the late 1970s, the Halmatic 30 offers a surprisingly functional and cozy living space, largely due to its nearly 9.5-foot beam. The standard layout features a traditional V-berth forward, followed by a full-width heads compartment. The saloon typically utilizes a settee-and-pilot-berth arrangement or a convertible double, providing sleeping accommodations for up to five people.
The quality of the interior varies depending on whether the boat was a "factory finish" or a "yard finish." Some were completed by smaller boatyards to a very high standard of teak or mahogany joinery, while others finished by owners may show more utilitarian layouts. Headroom is generous for a boat of this era, standing at roughly 6 feet in the main cabin. The galley is generally located to the port side of the companionway, with a dedicated navigation station to starboard. One notable sibling variant is the "Barbican 30," which, while sharing a similar aesthetic and sometimes being confused with the Halmatic, was a Maurice Griffiths design; however, many sailors looking for the Halmatic 30's heavy-displacement characteristics often cross-shop these models.
Popular Mentions & Media
The Halmatic 30 has maintained a steady presence in British yachting literature as a benchmark for the "traditionalist's" cruiser. It is frequently featured in editorial retrospectives regarding the best used boats for offshore sailing. While it may not have the high-profile racing pedigree of a Nicholson, it is a staple of the "Small Ships" community in the UK and is often cited by technical editors at Practical Boat Owner as a premier choice for those planning a "jester-style" solo Atlantic crossing or extended coastal cruising in the demanding waters of the English Channel and the North Sea.
Known Issues & Buyer’s Checklist
- Osmosis: While Halmatic was known for superior GRP molding, no hull of this age is entirely immune. Buyers should inspect the underwater profile for blistering, though the thickness of the laminate typically means any issues are cosmetic rather than structural.
- Engine Service Life: Many Halmatic 30s were originally fitted with Bukh or Yanmar diesel engines. While these are reliable units, they may be approaching the end of their service life or have already been replaced. A thorough check of the cooling system and engine mounts is recommended.
- Chainplates and Rigging: Given the boat's offshore aspirations, the standing rigging and the points where the chainplates meet the deck should be inspected for stress cracks or water ingress into the core.
- Portlight Sealing: The original aluminum-framed portlights are prone to leaking over time. Check the interior woodwork around the windows for water staining, which often indicates the need for re-bedding.
- Rudder Bearings: The rudder is hung on a substantial skeg; while robust, the bushings can wear over decades of use, leading to "play" in the steering that may require replacement.
Community & Resources
Owners and prospective buyers often congregate around the Halmatic 30 Association (sometimes operating under broader Halmatic enthusiast groups), which serves as a repository for technical drawings and advice on hull-specific maintenance. While not a massive commercial organization, the community is highly active in technical forums like CruisersForum and PBO Forum, where decades of refit knowledge are shared.
The Verdict
The Halmatic 30 is a stout, honest cruiser that prioritizes safety and comfort over speed and agility. It is an ideal vessel for the sailor who values traditional lines and the security of a long keel.
Pros:
- Exceptional heavy-weather stability and sea-kindliness.
- Overbuilt GRP construction from a world-class molder.
- Predictable and forgiving handling for solo or short-handed sailing.
- Timeless aesthetic that retains resale value well.
Cons:
- Limited maneuverability in tight marinas when in reverse.
- Not a fast performer in light air or when sailing close-hauled.
- Interior finishes vary significantly between individual boats.
Measurements
Construction & Hull
- Construction Material
- Fiberglass
- Hull Type
- Monohull Sailboat
- Keel Type
- Full
- Rudder
- 1x Transom-Hung
- Ballast
- 4500 lbs (Iron)
- Displacement
- 9000 lbs
- Water Capacity
- 45 gal
- Fuel Capacity
- 12 gal
Dimensions
- Length Overall (LOA)
- 29.5 ft
- Waterline Length (LWL)
- 22.83 ft
- Beam
- 9.5 ft
- Draft
- 4.5 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
- 430 sqft
Calculations
- Sail Area / Displacement (SA/D) Ratio
- 15.9
- Ballast / Displacement Ratio
- 50
- Displacement / Length Ratio (D/L) Ratio
- 337.66
- Comfort Ratio
- 27.92
- Capsize Screening Formula
- 1.83
- Hull Speed
- 6.4 kn