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There are various Yanmar inboard engine options to choose from on the Seaward 23 - from a single 75 hp diesel giving 11 knots, through to twin 110 hp diesels giving 24 knots.

ex factory prices for the 23 cruiser start at £76,682.00 (uk sterling inc 20% VAT ) with single 75 hp diesel 

email us now with your postal address and request our brochure and full details of the 23: info@seawardboat.com

Seaward 23 Standard Specification

Popular with the sailing fraternity and filled with character, the Seaward 23 Motor Cruiser is a sturdy, seagoing craft with traditional styling and accommodation for up to four persons. With a large deep cockpit area and open backed wheelhouse this vessel is an ideal family cruiser or picnic boat. Like its bigger cousins of the Nelson range, this vessel has undergone both tank testing at Westland Aerospace and testing for stability by the Dept. of Transport. This may be unusual for a craft of this size but comforting to know when you are out in adverse weather conditions. More recently the Seaward 23 has undergone stability testing with Lloyd's Register for compliance with the new Recreational Craft Directive. The standard cockpit arrangement is compliant with the regulations for use in wind speeds up to force 6 and wave height up to 2 meters.

This little Seaward has a reputation for exceptional seakeeping qualities and is used by owners typically for cross channel cruising. It was with cross channel cruising in mind that this specification was developed to include the option of twin shaft drive diesels, with twin fuel tanks and twin battery systems. The deep 3/4 length keel with contra-rotating propellers and twin rudders make the Seaward 23 a joy to manoeuvre. Stepping ashore from cockpit to pontoon is made easy with the wide side decks and plenty of hand holds, an important feature for those who do their boating short handed.

The craft can be supplied semi custom built or to the following to Standard Specification:-


Round bilge semi-displacement type with flared bow and forward sloping transom with tumblehome. Varnished teak spray rails and all round 3" rubber D fendering compliment the purposeful looks of the craft and provide extra protection when going alongside. The hull and all G.R.P. mouldings are hand laid in our modern Lloyds approved factory. Standard colour Blue.


This is a one piece G.R.P. moulding with substantial gunwales and wide non slip decks incorporating a bevelled toe rail for additional safety. The superstructure has a large vertical flange that overlaps with as similar flange on the hull before being through bolted and laminated to the hull.Standard colour White.


Access to the forward cabin is through a teak door from the wheelhouse. The cabin includes two V berths 6' 2"in length with a folding leaf table. A deep shelf surrounds the whole of the forward area giving ample stowage space. A bulkhead at the forward part forms the chain locker with a watertight access hatch. The heads compartment is to port containing a marine WC, hand basin and a cold water tap. The 'no gas' galley unit is fitted to starboard and now includes an Avonite worktop fitted with a neat ceramic diesel fired hob and inset stainless steel sink with Avonite cover. The fuel supply to the diesel hob is connected direct to one of the main fuel tanks. A 240v microwave cooker is fitted as standard. Power for the microwave is via the ring main shore supply connection. An inverter/charger is available on the optional extras list that will enable the microwave and ring main to be used when shore power is not available. Ventilation is by way of two vents fitted on the coach roof, a deck hatch and six port lights of the opening type.


The wheelhouse is arranged with the helm seat position to port and a matching seat to starboard for the navigator/crew. The hydraulic steering, engine controls and instruments are all mounted in the GRP console. The helm and navigators seats are fitted on top of the heavily insulated engine covers. These covers hinge back for easy access to service points. A lockable teak desk locker is fitted in front of the navigators seat for general stowage of navigation instruments etc. The area under the desk locker is fitted out with a useful teak hanging locker.

The rear part of the engine covers form seats that are convertible to form two extra berths. This is achieved by way of a pair of optional infills fitted between the engine covers and aft cockpit seats. When not in use, the infills are made to stow away under the forward cabin shelf. The rear bench seat has a lift out stowage locker to gain access to the steering gear and fuel valves.

A versatile full canopy with three doors and 6 windows is supplied as standard with the Seaward 23. The canopy is designed to be used in the up position in bad weather to provide a cosy shelter from the elements. In sunny weather the canopy sides can be removed separately and with the rear door rolled up the canopy turns into a sunshade. The hinged stainless steel support frames allow the canopy to be unclipped from the wheelhouse and folded down to stow on the aft coaming.

An additional table leg socket is fitted in the cockpit to provide an al-fresco dining area.


Standard fittings include, heavy duty bow roller, stainless steel pulpit, three stainless steel mooring bollards, hand rails on wheelhouse and coachroof, chain pipe, two fairleads forward, mast, four fender eyes each side and a set of anchor chocks. Grab handles are also fitted on the aft wheelhouse cappings, to assist access from the cockpit to the side decks. An optional pilot type inboard handrail system or an extended pulpit are available as variations to the standard layout.


The overwhelming customer choice to date has been for twin-engine craft. However single engine versions will always be available to those who wish to choose otherwise. The single screw versions are still supplied with twin fuel tanks and twin battery systems as standard but are fitted with a single rudder.

Both the 75hp and 110hp models are fitted with bronze airfoil shaped rudders to suit their higher performance. Twin stainless steel fuel tanks of approximately 25.5 gallons (116 litres) each are standard on all models with gauges on the helm console to indicate the fuel level.


Two 90 amp hour batteries with isolating selector switches are fitted as standard. Power circuits are protected by circuit breakers mounted in the instrument console. Standard electrical equipment includes,two 2- speed pantograph wipers, horn, navigation lights, anchor light, cockpit light, four interior lights, two fuel gauges, electric bilge pump with float switch. A 240 volt ring main with two power sockets is included as standard along with a 240 volt microwave cooker.


The craft is finished with teak veneered bulkheads and teak trim. Side and overhead linings in the wheelhouse and cabin are of foam-backed vinyl. The shelf in the cabin is carpeted, as are the hull sides above the V berths. Foam cushions are provided for the V berths and the cabin table for use when in the lowered position. The cabin sole is carpeted and covers are supplied for the portlights. Owners are given choice of materials for interior and cockpit upholstery.


The following items are included as standard in addition to the equipment already mentioned:-


Various optional extras are available - see price list.


Prices include launching, commissioning, handover and a two-hour sea trial at Cowes. The sea trial includes useful instructions on manoeuvreing your Seaward with twin engines.


All Seaward boats have a number of outstanding easy to get used to safety features:-

On single screw Seaward 23's:-

On twin screw Seaward 23's


Customised and non standard versions of this craft are also available.

Seaward reserve the right to amend this specification.

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