Beneteau Oceanis 51.1 Sailboat Review, Specs, and Listings

Berret Racoupeau/Nauta Design·2016·Beneteau
Approximate drawing

Hover a measurement to read its value

Hull Type
Monohull · bulb
Rig
Fractional Sloop
LOA
52.3' · 15.94 m
Disp.
30,710 lbs · 13,930 kg
First year
2016

The Beneteau Oceanis 51.1 arrived as the first model in the seventh generation of the builder’s Oceanis cruising line and the fifth boat in the “.1” series, taking the place of the outgoing Oceanis 48. Conceived by BerretRacoupeau with interior and deck styling from Nauta Design, and built at Beneteau’s yard in S. GillesCroixdeVie, France, the 51.1 is a 52foot 4inch monohull weighing just over 30,700 pounds, with a 15foot 9inch beam and a standard 7foot 7inch iron keel. It was explicitly designed to be handled by a couple with occasional guests, and its engineering brief clearly favors volume and easy shorthanded operation without abandoning performance.

Measurements

Dimensions 01

Length Overall
52.3 ft
Length on deck
49.08 ft
Waterline Length
47.64 ft
Beam
15.75 ft
Draft
7.55 ft
Maximum Headroom
6.67 ft
Air Draft
75 ft

Construction & hull 02

Construction
Fiberglass
Hull Type
Monohull
Keel Type
Bulb
Rudder
1× Spade
Ballast
7,485 lbs (Iron)
Displacement
30,710 lbs
Water Capacity
116 gal
Fuel Capacity
53 gal

Rig & sails 03

Rigging Type
Fractional Sloop
Mainsail luff
57.68 ft
Mainsail foot
18.04 ft
Foretriangle height
60.1 ft
Foretriangle base
20.64 ft
Forestay Length (estimated)
63.55 ft
Sail Area
1,141 sqft

Calculations 04

Sail Area to Displacement Ratio
18.61
Ballast to Displacement Ratio
24.37
Displacement to Length Ratio
126.8
Comfort Ratio
24.63
Capsize Screening Ratio
2.01
Hull Speed
9.25 kn

Design and Construction

The hull is the headline. Roughly a third of its length is stepped or chined, and on the 51.1 those chines run literally from bow to stern rather than fading out amidships anchor. Beneteau’s own literature credits the distinctive hull form to the Juan Kouyoumdjian-designed Rambler 88, an all-carbon ocean racer, and the theory behind carrying the chine the full length is a finer entry, reduced wetted surface, and greater buoyancy when heeled. The same hull is shared across the three market versions — First, Comfort, and Easy — with the differences confined to interiors and rigging. Construction is vacuum-infused fiberglass with balsa coring in both hull and deck, and a vinylester resin layer sits below the gelcoat to guard against osmotic blistering anchor. Lifelines were raised a few inches over the predecessor, and wide side decks paired with lower shrouds brought in to the cabin top make moving forward safe without ducking rigging.

Rig and Handling

The standard boat is a forgiving daysailer-cruiser: in-mast furling, a self-tacking jib, and all halyards and sheets led to a single winch at each helm. The Easy version keeps the self-tacker; the Comfort version adds an internal D1 lower shroud; the First version packs an additional 35 percent of sail area on either a carbon or aluminum spar, with upgraded winches and deck hardware plus composite wheels. A performance keel of 9 feet 2 inches carries a lead bulb that sheds weight and hydrodynamic drag. On the water, the test boat accelerated to nearly 5 knots on a beam reach in 6.4 knots of apparent wind, and in just over 10 knots of breeze it held 7.4 knots upwind under main and self-tacking jib, maintaining that pace off the wind with a code zero on the composite bowsprit. Twin rudders let it spin quite fast through tacks anchor. Grinders face forward at winches positioned to see the sails, and hinge-up foot braces at the helms avoid toe-stubbers when not heeling.

Accommodations

Layout flexibility is extraordinary: four interior plans, five rigging plans, three keel types, and 150 options yield more than 700 combinations, with three, four, or five cabins and up to four heads. The owner forward cabin in the three-cabin layouts carries a 160-by-205-centimeter island berth on the centerline with walk-around access, an en-suite shower, and a separate toilet. A U-shaped or C-shaped galley sits to port with soft-close drawers, Eno two-burner stove, Vitrifrigo drawer refrigeration, and oven. The saloon’s giant table and U-shaped seating seat as many as 14, and the nav station doubles as a desk with a pop-up leg-rest seat. Multiple overhead hatches and hull ports keep the interior bright, with a new “brushed oak” or mahogany finish. The cockpit itself is claimed by the builder to match a 55-footer, with large lounging pads either side of the companionway, a drop-leaf table holding a fridge forward and life-raft space aft, and a substantial swim platform.

Equipment and Deck Detail

Dock & Go joystick control, tying engine, thruster, and autopilot, is an option, as is Seanapps remote monitoring. A composite sprit sets the anchor clear of the plumb bow and hosts a Code 0. The aft lazarette swallows fenders, lines, and a Fischer Panda genset with all-around access, while hideaway dinghy davits borrowed from the Jeanneau line retract flush when unused. An optional grill swings from the aft bench so the cook stands on the swim platform. The companionway is a stair rather than a ladder, with solid rails.

Known Issues

Practical details drew tester criticism. On the port side, the fresh-water and waste deck fills sit only about 4 inches apart, a real contamination risk during fill-ups anchor. The engine throttle, wind instrument repeater, windlass remote, and bow-thruster control are clustered by the ankles at the starboard wheel, awkward to reach and easy to bump. Helm consoles are tiny, proportioned poorly against the massive cockpit table and able to house only a 9-inch MFD.

The Verdict

The Oceanis 51.1 is a thoughtfully modern cruiser that trades some traditional refinement for volume, easy handling, and a genuinely fast hull derived from racer logic. Its chined, infused construction and configurable layouts make it a strong couple-or-family platform, though the deck-fill placement and ankle-level controls deserve a buyer’s attention.

Pros

  • Full-length chine hull derived from ocean-racing form for reduced wetted surface and buoyancy
  • More than 700 configuration combinations across layouts, rigs, and keels
  • Standard self-tacking jib and single-winch-per-helm leads simplify shorthanded sailing
  • Bright, roomy interior with up to five cabins and a 14-seat saloon

Cons

  • Port-side water and waste fills only ~4 inches apart
  • Engine and thruster controls at ankle height at starboard wheel
  • Helm consoles too small for anything larger than a 9-inch display

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