Colvic Atlanta 25 Information, Review, Specs

Sailing Performance & Handling

As a motor sailer, the Colvic Atlanta 25 is designed for steady passage-making rather than light-wind performance. With a high displacement-to-length ratio and a relatively modest sail area, the boat is notoriously sluggish in light airs and often requires the assistance of its engine to tack effectively when the wind is below 10 knots. However, once the breeze picks up, the Atlanta 25 reveals its true strength: stability. The heavy GRP layup and the choice of either a long central keel or, more commonly, twin bilge keels, make the boat incredibly "stiff."

The bilge keel configuration was particularly popular for cruisers on the East Coast of England, as it allows the boat to dry out upright in tidal harbors. In terms of handling, the Atlanta 25 tracks well due to its substantial underwater profile, but the high freeboard and prominent coachroof can make it susceptible to windage when maneuvering in tight marinas. According to editorial insights from veteran surveyors, the boat’s behavior is best described as "sea-kindly," meaning it handles choppy water with a predictable, gentle motion that avoids the jerky movements of lighter, modern hulls.

Interior Comfort & Variations

The defining characteristic of the Atlanta 25 is its internal volume. For a 25-foot boat, the headroom is exceptional—often exceeding 6 feet in the main cabin—a feat achieved by the high-profile deck mold. The layout typically features a V-berth in the forepeak, a compact galley to port, and a dinette that converts into a double berth to starboard, providing accommodation for up to five people in a pinch.

Because Colvic supplied these as kits, the interior materials vary wildly. Some owners finished their boats in high-quality teak or mahogany, while others used more utilitarian marine plywood and Formica. The "MK II" variants often featured a more refined deck mold with better-integrated windows. The Atlanta 25 is part of a larger family of Bennett designs; its siblings include the Atlanta 28, which utilized a stretched version of the same hull lines to offer more cockpit space, and the significantly larger Atlanta 32, which remains a benchmark for mid-sized motor sailers.

Known Issues & Buyer’s Checklist

Potential buyers should approach the Colvic Atlanta 25 with a focus on construction quality, specifically because of its "home-finished" heritage. While the Colvic hulls themselves are famously over-built and robust, the installation of systems—wiring, plumbing, and engine mounts—was often performed by amateurs.

1. Hull Osmosis: Like many GRP boats from the 1970s, the Atlanta 25 is prone to osmotic blistering. While rarely structural due to the thickness of the laminate, a moisture meter test is essential during survey.
2. Chainplate Bonding: Inspect the areas where the shrouds meet the hull. In home-completed models, the reinforcement of these load-bearing points can sometimes be insufficient or may have suffered from water ingress over the decades.
3. Engine Condition: These boats rely heavily on their engines. Many were originally fitted with Bukh or Volvo Penta diesels. Buyers should check for "re-powering" history, as an original 40-year-old engine may be nearing the end of its reliable lifespan.
4. Window Leaks: The large windows in the doghouse are a known weak point. Over time, the seals perish, leading to leaks that can rot the interior joinery.

Community & Resources

Owners of the Atlanta 25 are typically supported by the broader Colvic owners' community. The most prominent resource is the Colvic Yacht Owners Group, which maintains an active presence for sharing technical drawings and advice on hull maintenance. Given the overlap in design and construction, Atlanta 25 owners also frequently collaborate with those owning the Colvic Watson and Victor ranges to source period-correct hardware and engine parts.

The Verdict

The Colvic Atlanta 25 is a rugged, "go-anywhere" pocket cruiser that trades performance for comfort and security. It is an ideal entry-level boat for sailors who prioritize coastal exploration and the ability to navigate tidal waters over winning club races.

Pros:

• Exceptional interior headroom and volume for its length.
• Heavy, robust GRP construction capable of handling rougher seas.
• Bilge keel options allow for drying out in tidal moorings.
• Highly affordable entry point into the world of motor sailing.

Cons:

• Poor sailing performance in light winds; heavily reliant on the engine.
• Interior finish quality varies significantly between individual boats.
• High windage can make berthing a challenge in breezy conditions.
• Aesthetic "chunky" styling may not appeal to traditionalists.