Design and Construction
The hull and deck were drawn by Jean Berret and Olivier Racoupeau, and the result is a well-balanced and stable form that performs well both on and off the wind. A chine rakes aft well above the waterline, a feature carried over from the Oceanis 41 and 45, and it serves to keep the boat flatter under sail while adding interior volume. The beam is 15 feet 7 inches with an almost 3-to-1 beam-to-length ratio, and that beam is carried all the way aft to maximize its effect. A consultant to Beneteau described the 48 as a "mono-maran," a nod to the volume and cockpit scale more typical of a multihull. The streamlined shape is credited with great stability and comfort at all speeds, and the 45-degree companionway is a defining trait of the latest large Oceanis generation, linking the sizable cockpit to the spacious interior below.
Rig and Handling
The Oceanis 48 carries a centered mast that gives her impeccable balance, with the mainsheet led to a sleek arch that also supports the dodger and bimini. That arch uses two fixed blocks in lieu of a traveler, and test sailors found those fixed points less effective at controlling the boom than a true traveler would be. All sail controls run aft along the cabintrunk to a pod of clutches with a single winch per side, while the genoa sheet winches sit just forward and outboard of each helm for easy reach. A Performance Pack optimized by the German System lets all sails be trimmed from the helm, and a set of D4 sails was made for her by Incidences. Under sail, she inched over 6 knots upwind in 10 knots apparent, cracked off to toy with 7 knots until the wind went aft of the beam, and came through tacks and jibes efficiently; the steering was tight and responsive with no tendency to wander. Under the standard 75-horsepower Yanmar she made 8.3 knots at 2,500 rpm, and in a 5- to 6-knot breeze she still made 4 to 4.5 knots hard on the wind.
Accommodations
Below, the boat is available in two-, three-, four-, and even five-cabin family plans, with shared spaces in light oak or mahogany and bathed in light from large hull portholes. The forward owner's suite holds a centerline double berth, a hanging locker, a dressing seat, sink, vanity, and a large shower with a transparent door; the manufacturer describes it as a genuine suite with an Italian-style shower. Aft cabins each have a double berth and storage or hanging locker, with hull portlights and opening ports for airflow. The saloon is bright and open, with a U-shaped settee to starboard around the table and a free-floating bench opposite, while the port settee carries a sliding modular table that can serve as a work nook or breakfast spot. The L-shaped galley to port has double sinks near the centerline, a front-opening fridge in flat teak, and cabinets above and drawers below. A sliding chart table can be placed against the forward bulkhead, between the seats, or by the galley, with mobile seats to match. One tester noted there is not much of a sea berth, a minor point given the private cabins.
Cockpit and Deck Gear
The cockpit is huge, with twin wheels that add openness and a centerline table housing a multifunction display visible from both helms, plus an icebox and grabrails. The signature electric fold-down transom won a National Marine Manufacturers Association Innovation Award and opens to a swim platform of natural wood decking; with a properly mounted ladder it is among the best swimming and tender-boarding platforms afloat, and it adds about 3 feet of floor space to the cockpit when anchored. Wide side decks are easy to navigate, molded nonskid is excellent, and teak is a handsome option. Forward, a deep chain locker, covered windlass, and double stainless bow rollers suit serious cruising, with a dedicated sail locker as well.
Known Issues
The arch mainsheet's fixed blocks stand in for a traveler and are not as effective at boom control as a traveler would be. Handrails along the cabintrunk are a bit low, though the molded nonskid itself drew praise. The boat lacks much of a dedicated sea berth, which testers considered a minor quibble in a three-cabin layout.
The Verdict
The Oceanis 48 is a refined evolution of the modern Oceanis cruising philosophy: a beamy, chined hull that stays flat and volumes generously, wrapped around a bright Nauta interior and a cockpit that feels a size class larger. She sails efficiently in light air and under power, and the fold-down transom is a genuine step forward in stern access. The arch mainsheet and low cabintrunk handrails are the principal ergonomic compromises.
Pros
- Flatter sailing and added volume from the aft-raked chine
- Tight, responsive steering with no wander under sail
- Huge twin-wheel cockpit with award-winning fold-down transom
- Bright, flexible interior with multiple cabin plans and modular tables
- Strong light-air and powered performance from the 75-horse Yanmar
Cons
- Fixed arch mainsheet points less effective than a traveler
- Cabintrunk handrails sit low for secure movement
- Weak dedicated sea berth in tested layouts








