Gib'Sea 106 Sailboat Review, Specs, and Listings

Design and Construction

The 106 came directly from the Joubert–Nivelt partnership, which produced several designs for Gibert Marine through the late 1970s and 1980s. Production began in 1984, placing the boat firmly in the builder’s solid-laminate era. Both hull and deck are fiberglass, and the keel is iron—a straightforward, robust approach for the period.

A choice of keels sets the model apart. The fin-keel version draws roughly 5.9 to 6.2 feet, depending on load. The alternative combines a stub keel with a retractable centerboard, reducing draft to about 3.9 to 4.2 feet. That allows the centerboard boat to enter shallow marinas that its fin-keel sister can’t reach. The fin version’s deeper draft restricts it to major marinas, while the centerboard variant considerably broadens the boat’s cruising range.

The proportions reinforce the performance intent. With a length-to-beam ratio of 2.99, the 106 is beamier than 73% of comparable designs, resulting in a genuinely roomy plan for her length. A ballast ratio of 37% puts her above roughly a third of similar boats by that measure. Her displacement-length index of 170 places her among light racers, with 85% of peer designs weighing more.

The combination of modest weight, generous beam, and a 35% ballast fraction produces a stiff, quick platform without approaching the extremes of a pure racer.

Rig and Handling

The masthead rig carries 554 square feet of sail. Using the reference sail, the sail-area-to-displacement ratio is 18.9, rising to 22.4 with a 135% genoa. That puts her ahead of 76% of similar designs in light-air speed. She should keep moving in a zephyr rather than waiting for the breeze to build.

The trade-off is a slightly overrigged sail plan. She carries more rig than 73% of comparable sailboats, which a buyer should understand as meaning more canvas to handle and greater loads on the deck gear.

The estimated running-rigging dimensions are consistent and practical. All halyards are around 33 meters of 12 mm line, while the sheets are 14 mm. The mainsheet is the longest at nearly 27 meters.

Under power, the calculated maximum speed is about 6.8 knots, compared with a theoretical hull speed of 7.3 knots. The engine drives through a shaft-drive transmission.

Accommodation and Comfort

With ten berths, the 106 is better suited to high-capacity cruising or charter use than to serving simply as a couple’s retreat. Her beamy hull makes that accommodation plan possible.

The cost of combining this volume with relatively light displacement appears in the Motion Comfort Ratio. At 18.4, the 106 is more comfortable than only 12% of similar designs. She won’t be the softest-riding boat in a seaway, though her light-racer classification and high sail efficiency suggest that she’ll move rather than wallow.

Her capsize screening value is 2.18, above the threshold used to exclude boats from ocean racing. She is a coastal and offshore-capable cruiser rather than a sanctioned racer. For the centerboard version, the immersion rate of about 1,229 pounds per inch provides a useful guide when considering how much load to carry.

Refits and Ownership

The main ownership considerations are the keel choice and the size of the rig. On the centerboard version, the board trunk and lifting mechanism demand attention. The fin-keel arrangement is simpler, but its deeper draft limits access.

Uniform halyard and sheet sizing should make rerigging straightforward. The shaft-drive diesel installation, with a calculated maximum speed of 6.8 knots, is a conventional and serviceable arrangement.

The Verdict

The Gib’Sea 106 is a beamy, light-displacement Joubert–Nivelt cruiser that trades ultimate comfort for speed and interior volume. The centerboard version is the more versatile cruising option; the fin keel is the more conventional choice. Either way, she remains a practical, slightly overcanvased 1980s performance cruiser with ten berths and a clear identity.

Pros