50' Beneteau Oceanis 50


Last Updated: 2024-03-19

SERENITY, an Oceanis M500 series was designed to maximize both performance and interior volume and, with Beneteau's usual flair, they succeeded very well. This customized "Owners Version" has Four cabins and heads, including a Queen bed forward cabin, combined with a very spacious salon creating a gracious and elegant interior while hull design, deck layout and sail plan come together for fast, easy sailing.

This yacht would be an excellent choice for crewed charter, or for cruisers with a taste for entertaining in a large way or for larger families.

Make: Beneteau
Model: Oceanis 50
Year: 1990 Length: 50ft

Hull Material: Fiberglass
Engine/Fuel Type:
Located In: Emeryville, CA

  • Category: Sail
  • Class: Cruisers
  • Keel: Fin Keel
  • Designer: Phillip Briand
  • Builder: Beneteau France
  • LOA: 50.25 feet
  • LWL: 44.5 feet
  • Beam: 15.58 feet
  • Ballast: 10800 pounds
  • Displacement: 30700 pounds
  • Total Engines: 1
  • Engine 1
  • EngineMake: Perkins
  • EngineModel: Perkins 4-236
  • EngineYear: 1998
  • EngineFuel: diesel
  • PropellerType: 3 Blade, Bronze, Feathering
  • EngineHours: 4760

  • Fuel Tank Capacity: 148 gallon
  • Fuel Tank Count: 2
  • Water Tank Capacity: 265 gallon
  • Water Tank Count: 5
  • Cabins: 4
  • Heads: 4

Additional Descriptions

Dimensions and Descriptions

Sloop Rig, Cruising/Performance

BUILDER: Beneteau

DESIGNER: Phillip Briand

Engine: Single 85HP diesel, Perkins 4-236

(repowered1998, Hours (approx. 4500), easy access.

Advanced Technology Prop by AutoProp. (By constantly adjusting its pitch the AutoProp is able to optimize engine torque at varying RMP. Propeller optimizes engine performance under motoring conditions and reduces drag)

(owner's note: when sailing, increases speed by over 1 knot in comparison to fixed prop.)

SPEED: Cruising, 6-8 knots,

LOA: 50'3", LWL: 44'6"

BEAM: 15' 7"



HULL: Fiberglass

WEIGHT: 32,000 lbs.

BALLAST: 10,780 lbs., Fin keel with Winglets

TANKAGE: Fuel:150 Gallons, Water: 380 Gallons

Twin helms (for ease of sailing on either tack).

Emergency tiller. Great access to steering cables/system.

Sails, Rigging and More

Updated rigging 2016

All chain plates are large and placed where they are not seen in the main living areas.

Winches: 5 self-tailing Lewmar winches (2) 66's, (3) 40's (2) 30's, one additional non-self tailing winch.

Sails: Main is less than 5 years old with full battens and three reef points, (2) jibs (90%,150%, (5 years old) and one anchor sail. (anchor sails used to limit boat from moving around at anchor).

All are Hood manufactured. (Hood Sails are different because they have their own cloth, which is woven tighter.)

Schaefer Roller Fuller.

"LazyJack" System.

Gennaker Sail

Boomvang: Forespar boom vang. (Spring return holds the boom & eliminates the need for a boom topping lift, supports the boom in light air and when reefing and lowering the mainsail.)



Updated 2016

Standard VHF and portable VHF

New Depth instrument (2015)

Wind speed and wind direction. (located in cockpit with repeaters in Nav Station)

Radar: 4kw (RayMarine)

Icon SSB

(2) Chart plotters (RayMarine)

Back up handheld GPS at Nav Station.

Two lighted compasses at each helm.

Robertson Autopilot (AP20) with two control heads,(one at helm, one at the Nav Station).

AIS Receiver

Permanently mounted Epirb

The stereo system has a 100 watt amplifier and four Bose speakers with a 6-disc CD changer.

Satellite phone

Electrical Systems

12V (DC) electrical circuit:

...windlass, navigation lights, interior lighting, MAGNUM SINE inverter, 2.5 KW/ battery charger, second battery charger, 38 DAG Mand (1Group 32 AGM)

Batteries providing 740 amps

Two solar panels (150 watts,9 amps total),

Wind generator.

110/220 Shore power

Permanently installed stepdown transformer.

110V sockets in each cabin & main salon & galley areas.

Deck lighting, tricolor strobe at top of mast.

All electrical devices have fuses to ensure safety and protection of devices.

Two alternators: (1) 90 amps & (1) 240 amps.


This Beneteau has been meticulously cared for and upgraded in every aspect for true cruising enjoyment.

The interior is cherry stained mahogany with new upholstery in the salon and 'high density' foam used throughout.


Three Cabin layout with Master Suite forward, two oversized double bed cabins aft. Hanging lockers forward and one in each cabin along with two drawers and cut outs underneath for footwear storage. Two opening portholes and a third for add'l light.

Three couples or six adults ....however, if racing and more crew on board, it can accommodate 9. (Two in crew quarters, two in Master Suite, four in each of the two aft cabins and one in main salon. The main salon makes into a twin bed of over 8 feet)

The owners have customized the forward stateroom to create a 'master's suite' that includes a walkaround queen with reading lights for each.

It has fans and hatches for each side of the bed to ensure comfort in hot tropical climates. It also includes a custom shower with seat for showering underway.

Included in the shower compartment are 2 storage cabinets for linens, towels and needed bath items. Permanently mounted are soap, shampoo and conditioner dispensers.

There are two full size closets. Six additional cabinets for clothing and two deep drawers incorporated in the bed design.

The ceiling liner is white vinyl accented by teak trim..

There is a head in each cabin for comfort and privacy.

Every living area has reading spotlights as well as built in overhead florescent lights making this Beneteau well lit and bright.

The salon can easily seat 8 people for dinner and has a buffet table adjacent to hold all the servings (acts as a storage compartment underneath).

In addition, the owners have added lndiglo accent lighting, which wraps around both the salon and galley, creating a customized lighting feature while providing light that does not affect night vision.

The salon table has a built in wine cellar in the center of the table which can hold a case of wine.

Seward 'Euro style' 3 burner Stove/oven installed in the galley.

All galley cabinets are lined and have appropriate space.

Spice racks are nicely done in Formica.

There is a large pantry for everyday items.

A custom kitchen sink faucet with contemporary design and use.

Great ventilation in the galley for cooking. (One hatch directly over the stove and one larger hatch over the entire galley area.)

Crew Quarters: Separate quarters forward, (not accessible from the main cabin). Flexibility to charter. (It contains 2 bunkbeds, one toilet/ vanity with hot & cold water & sink. (It is currently used as a garage; holding all sails, dingy when stowed for passage.)


High tech 'state of the art' Glacier Bay refrigeration (to insure reliability and no maintenance issues) uses two cold plates for efficient cooling and low maintenance and heat shields were added for more temperature control.


5 separate water tanks (One the water maker fills)

Marked, anodized, water filler caps.

Hot/cold pressurized fresh water with an accumulator tank.

Water heater that is electric as well as engine heated.

Fresh water cockpit shower.


Sliding companionway hatch and removable Cetol coated wooden door (2 parts) with vent.

13 opening hatches for great airflow and ventilation. Every hatch has a shade attached.

Large center sky light in the main salon with closing safety cover.

Anchors and Ground Tackle

Three anchors: (1) 65# CQR (1) 45# CQR (1) 25# Danforth (one "anchor buddy" device used as a sentinel to keep chain down in heavy winds).

Two anchors fit on the bow for easy deployment. (Separate watertight anchor locker...all underneath the deck).

Newly galvanized chain. Chain is high test 5/16. 220' (Stronger than triple BBB but less weight in the bow.)

Plus, 150' of 1" rode.

Muir Cheetah windlass with foot controls.

Chain stopper installed.

Customized 'Total Devotion' engraved stainless steel anchor

plate to prevent bow chipping.

Additional Information

15 hp Mercury

10 ft 6" Achilles Hypalon

Life raft 6 man offshore

Add'l emergency bilge pump

Emergency high water alarm with indicating light & audible alarm on Nav station panel.

Additional Features


The Company offers the details of this vessel in good faith but cannot guarantee or warrant the accuracy of this information nor warrant the condition of the vessel. Buyer should assume that items on the vessel at the time of viewing, but not specifically listed on this specification sheet, are not included with the sale of the yacht, and should instruct his agents, or his surveyors to investigate such details as the buyer desires validated. Buyer assumes responsibility to verify all speeds, consumptions, capacities and other measurements contained herein and otherwise provided, and agrees to instruct his surveyor to confirm such details prior to purchase. This vessel is subject to sale, price and inventory changes, and withdrawal from market without notice.

Bill Adams

Yacht & Ship Sales

415-425-5099 - mobile
415-484-1300 - office

3300 Powell St., Ste 105
Emeryville, CA 94608

Contact Bill Adams

    Your Name (required)

    Your Email (required)

    Your Phone


    For additional information and viewing of this fine quality yacht please contact listing agent Bill Adams. I am always available on my mobile phone at 4154255099 or e-mail me at