‘Onoufrios’ a 2013 Sea Otter 41’ Narrowboat. This vessel offers a practical forward layout, with a bathroom aft featuring a separate show and Thetford cassette toilet, a master cabin with a fixed double berth, a well-appointed galley with Pullman-style dinette, and a comfortable saloon forward with port and starboard bench seating. Powered by an upgraded Vetus M4.15 diesel engine, with central heating supplied by a Webasto diesel-fired system. Hot water is provided via the engine calorifier, central heating, and 240V immersion. Both 240V and 12V electrics are fitted on board, ensuring comfortable cruising and extended stays. As with all Sea Otter craft, ‘Onoufrios’ is constructed in marine-grade BS5083 aluminium alloy, offering reduced maintenance compared with steel hulls. Ownership of a Sea Otter means no regular re-blacking or anode replacement, allowing more time to enjoy cruising, entertaining, and the lifestyle that comes with owning such a vessel. With accommodation for up to six, this ever-popular Sea Otter 41’ Narrowboat is perfectly suited for day trips, weekends afloat, or extended cruising holidays. ‘Onoufrios’ is currently lying at Pyrford Marina and is available to view by appointment seven days a week. To arrange a viewing onboard, please contact the team on 01932 343275.
General Information
Stern Type – Cruiser
Builder – Sea Otter Boats
Fit-out – Sea Otter Boats
Number of Berths – 6
Canopies – Bow Cratch Cover
Houdini Hatches – x1 located in the galley
Bow Thruster – Vetus
Toilet Type – Cassette
Recent Works
Boat Safety Certificate Expiry Date – 10/08/2029
Engine Last Serviced – September 2022
New Starter Battery – August 2024
New Aft Deck Boards – 2021
Engine Specification
Make & Model – Vetus M4.15
HP – 33
Number of Cylinders – 4
Cooling Type – Keel, via an external skin
Diesel Tank Capacity (L) – 120 approx.
Year – 2013
Engine Hours – 601
Hot Water & Heating Systems
Source of Hot Water – Engine Calorifier, 240V Immersion
Central Heating – Webasto
Water Tank Capacity (L) – 450 approx.
Electrical Systems & Components
12v – Yes
240v Landline – Yes (double sockets throughout)
Battery Charger / Invertor – Mastervolt Combination 2000W
Galvanic Isolator – Yes
Number of Batteries – X1 Starter, X2 Domestic, X1 Bow Thruster
Interior Arrangements
Bathroom
Located to starboard and thoughtfully designed to maximise space. Features include a hand basin with single-lever stainless steel mixer tap, a separate shower cubicle, Thetford cassette toilet, and a heated towel rail, providing both practicality and comfort afloat.
Master Cabin
A fixed double berth with storage beneath offers excellent space efficiency, complemented by overhead cupboards fitted with LED reading spotlights. Additional storage is provided by two chests of drawers and a full-height hanging wardrobe. A 12V radio system is discreetly housed within the port-side storage unit, with speakers positioned throughout the boat for onboard entertainment.
Galley
Positioned to starboard, the galley provides generous workspace and functionality for onboard catering. A moulded sink with carved draining grooves is seamlessly integrated into the countertop for a modern finish. Cooking facilities include a Thetford Caprice MKIII four-burner gas hob, grill, and oven, with refrigeration provided by a 12V Waeco fridge with icebox. A Houdini hatch above brings in natural light and ventilation, enhancing the bright, airy atmosphere.
Dinette
Opposite the galley sits a Pullman-style dinette with forward- and aft-facing seats for two. This versatile area converts into a single berth or can be adapted into a bunk to provide two additional berths when required.
Saloon
The forward saloon is a bright and comfortable living space, offering direct access to the bow deck, fitted with a cratch board and cover, ideal for alfresco dining. Port and starboard bench seating easily converts into a double berth, bringing the total accommodation to six berths. Ample storage is provided beneath the seating, ensuring practicality without compromising comfort.