Design and Construction
Although the 475 is 18 inches longer than the Oyster 46, the two boats largely share the same molds. Oyster added the extra length by bonding a separate transom piece onto the hull. The change creates a larger aft deck while retaining the 46’s proven hull form.
The hull is a solid fiberglass laminate with a vinylester skin layer to resist osmotic blistering. A web of stringers and floors stiffens the bilges. The glass deck is balsa-cored, with plywood interposed in high-load areas, and finished with quarter-sawn teak planks.
Oyster describes the hull and deck as light, strong, and stiff through advanced engineering. Testers writing in Yachting World found the standard of build equal to that of models at the top of the Oyster range.
Rig, Handling, and Performance
The 475 carries a Seldén masthead sloop rig. A slab-reefed, full-batten mainsail and full-size genoa are standard. The forestay comes in just below the masthead, while a slightly lower boom eases mainsail handling. Most mast lines run beneath the coachroof to winches beside the companionway. The split backstay keeps the transom clear.
Testers found no line or load that couldn’t be handled manually, although powered winches were available as an option. Under sail, the 475 proved light on the helm, responsive, quick, and nimble. The extra waterline length compared with the 46 clearly suited her, and one Yachting World reviewer found her more fun to sail than the larger 545.
In 12 knots apparent, test hull #2 made 5.7 knots at 35 degrees and 6 knots when borne away to 50 degrees. Under a 75hp Yanmar with a Brunton Varifold prop, she cruised at 6.2 knots at 2,300 rpm and reached 8.5 knots at 3,800 rpm. A shaft-drive example backed predictably to starboard.
Cockpit and Accommodation
Oyster bills the 475 as an ideal family boat, with unusually spacious and luxurious accommodation for her size. The center cockpit sits low for easy entry. Aft, the deck leads down proper steps—not a ladder—to the bathing platform, while a voluminous lazarette takes cruising gear.
The standard three-cabin layout sleeps six comfortably without using the saloon. A full-beam owner’s stateroom aft has an island double berth, full headroom, and an ensuite head with a separate shower. Forward, guests have two over-and-under single berths and a double V-berth, along with a forward head. An alternative arrangement provides a single stateroom with a Pullman berth.
The saloon is slightly raised, though not high enough to provide a seated view outside. Its table folds to serve both settees. A generous, old-style navigation station sits to starboard, and a longitudinal galley lies deep in the hull. Headroom is generous throughout.
Known Issues
Loading the 475 with excessive equipment can compromise her performance. A sail-drive example also exhibited no prop walk, making a bow thruster advisable in close quarters.
The Verdict
The Oyster 475 distills the Oyster ethos into a manageable, refined package of less than 50 feet. She gives a family crew genuine volume and a thoughtful deck plan, yet retains a nimbleness that belies her displacement. With only seven built, she is rare, but her design pedigree is unmistakable.
Pros
- An evolution of the proven Oyster 46 hull, with a larger aft deck
- Light, stiff, solid-fiberglass construction with an osmotic-resistant skin
- Nimble, responsive handling and rigging that can be managed manually
- Luxurious three-cabin layout that sleeps six without using the saloon
- Build quality equal to that of larger Oyster models
Cons
- Only seven were built, limiting market availability
- Sail-drive versions lack prop walk for close-quarters control
- Excess equipment can blunt her performance edge








