Islander 33 Information, Review, Specs

Sailing Performance & Handling

The Islander 33 is a "momentum boat," characterized by its 10,000-pound displacement and a relatively short 24-foot, 10-inch waterline. With a full keel and a cutaway forefoot, the hull is designed for directional stability rather than agility. In light air (under 8 knots), the boat can feel sluggish, as its moderate sail area struggles to overcome the wetted surface area of its traditional underbody. However, once the breeze freshens to 12–15 knots, the Islander 33 finds its stride, exhibiting a stiff, predictable motion that is far more comfortable in a seaway than lighter, modern fin-keel designs.

Tracking is a notable strength; the long keel allows the boat to hold a course with minimal helm correction, making it an excellent candidate for long coastal passages. Conversely, maneuvering in tight marinas can be a challenge. The lack of a high-aspect rudder means the boat requires significant water flow over the blades to respond, and prop walk can be pronounced when reversing. Owners often note that the boat carries its way for a long time, requiring a cautious approach to docking.

Interior Comfort & Variations

For a vessel designed in the late 60s, the Islander 33 offers a surprisingly voluminous interior, aided by a generous 10-foot, 1-inch beam. The layout was typically offered in two primary configurations: the "Standard" layout and the "Dinette" version. The Dinette version remains the most popular on the used market, featuring a large U-shaped dining area to port that converts into a double berth, with a straight settee and pilot berth to starboard.

The joinery reflects the era's aesthetic, utilizing a significant amount of mahogany and teak plywood. While the 33 does not have the "sibling" multi-cabin variants found in larger modern yachts, its design philosophy was shared with the contemporary Islander 32 MK II. The interior of the 33 provides roughly 6 feet, 2 inches of headroom in the main saloon, which was considered quite spacious for its time. The forward V-berth is sufficiently sized for two adults, though the cabinetry and hanging lockers often show their age and may require modernization of the original drawer slides and hinges.

Known Issues & Buyer’s Checklist

Prospective buyers of an Islander 33 should prioritize a professional survey focusing on the following "classic plastic" vulnerabilities:

• The "Islander Smile": Like many boats of this era with external lead ballast, a hairline crack can develop at the forward joint where the keel meets the hull stub. While often cosmetic, it can indicate the need for re-torquing or replacing the keel bolts.
• Deck Core Delamination: Islander used plywood or balsa cores in the decks. Moisture often intrudes through poorly bedded stanchions or chainplates, leading to soft spots. A percussion test (hammer sounding) across the coachroof and side decks is essential.
• Bulkhead Rot: The chainplates on the 33 are bolted to the main bulkhead. If the chainplate covers have leaked over the years, the structural integrity of the bulkhead may be compromised by rot, which is a labor-intensive repair.
• Original Atomic 4 Engines: Many units were originally equipped with the Universal Atomic 4 gasoline engine. While reliable if maintained, buyers should inspect for manifold corrosion or consider if a diesel repower has already been performed.

Community & Resources

The Islander 33 benefits from a robust legacy community. While it does not have a dedicated solo association, it is a "legacy member" of the Islander 36 Association, which provides an extensive technical library and historical documentation relevant to all Wayfarer-era builds. Owners also frequently congregate on general cruiser forums to share technical drawings and refurbishment tips specifically tailored to the Islander's unique hull-to-deck joint and rig configuration.

The Verdict

The Islander 33 is a stout, traditional cruiser that offers an affordable entry point for sailors who prioritize safety and "shiptype" aesthetics over modern racing performance.

Pros

• Robust, heavy fiberglass construction.
• Excellent tracking and a comfortable, predictable motion in heavy weather.
• Spacious interior for a 33-footer of its vintage.
• Affordable purchase price and a strong community for technical support.

Cons

• Poor light-wind performance and slow tacking.
• Difficult to maneuver in reverse due to the full-keel design.
• Likely to require significant upgrades to original plumbing and electrical systems.