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Yachtsnet's archive of boat details and pictures

The following information and photographs are displayed as a service to anyone researching yacht types. HOWEVER THE PHOTOGRAPHS AND TEXT ARE COVERED BY COPYRIGHT, AND MAY NOT BE REPRODUCED WITHOUT THE PERMISSION OF YACHTSNET LTD. Details and photographs are normally based on one specific yacht, but could be a compilation. No reliance should be placed on other yachts of the same class being identical.  Where common variations exist, we have endeavoured to indicate this in these archive details.

Seadog 30

Brief details


Reg Freeman Yachts Ltd.

The Seadog 30 is a very solid small centre-cockpit ketch-rigged cruiser - originally marketed as a motor-sailer, but with fairly good sailing performance.


30' 0"

Sail area

510 sq ft


24' 0"




9' 0"




3' 6"


4 to 6


12,880 lbs


Perkins diesel


3,920 lbs



Keel type

Triple - long Fin with bilge keels

Seadog 30

The Seadog was first introduced in 1964, designed and built by Reg Freeman A.R.I.N.A. The design was popular, and production continued for many years, with very minor design changes. They offer an unusual combination of qualities - a good enough and tough enough heavy-displacement sailing boat to cross oceans, yet relatively shallow draught and the ability to take the ground if you have the triple keel version. Add in a deep safe cockpit protected from the worst of the weather by a fixed windscreen, and masts in tabernacles so they can be lowered if necessary without outside assistance, and you have a genuinely go-almost-anywhere boat, from ocean passages (at least one has been circumnavigated single-handed) to the French canals.

While most Seadogs were built by Reg Freeman Yachts, a few late Seadogs were built by J. G. Meakes & Co., and finally a few more were moulded in Holland, most of these hulls being home-completed, some as motorboats.

Seadog 30

Unusually, Seadogs do not have a conventional forecabin: instead the forward part contains a spacious heads compartment, with sink unit and marine WC, plus two hanging lockers, and stowage for sails and gear, one side of which (to port) appears to be designed to be used as a childs berth if required. The chain locker is low in the boat, the chain feeding down from deck via the central pipe.

The saloon table folds away almost completely, to leave a very open interior when the table is not required (photo below).

Seadog 30

There is good stowage behind seat backs, and in a variety of built-in lockers.


Left: The galley is on the port side, with gimbaled two-burner, grill and oven cooker, good sized sink and drainer, and a coolbox.

Right The chart table is to starboard. A quarter berth aft of the chart table here forms the sixth berth on board, though best suited to a small and fairly gymnastic person.

Yachts seen here are no longer for sale - the data is online as a free information service for buyers researching boat types. THE PHOTOGRAPHS ARE COVERED BY COPYRIGHT, AND MAY NOT BE REPRODUCED WITHOUT THE PERMISSION OF YACHTSNET LTD.

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The aft cabin originally had two single berths, but on most yachts an extra berth section has been added to provide a small double - or even three if necessary! One of the common problems with Seadogs is damp getting into the bulkhead at the back of the cockpit, seen above where the lining is bubbling.

The cockpit is deep, and very well protected. The view forward from the wheel position is good, through the fixed windscreen, whether standing or sitting.

Although conceived and marketed as a motor-sailer, the Seadog is actually a proper sailing yacht with a fairly powerful rig - 510 sq feet with main, genoa and mizzen. Many owners report that in strong winds dropping the main and carrying on under headsail and mizzen is very effective.


36 hp of diesel is also fairly effective, of course, in a 30 foot yacht!

Most Seadogs seem to be fitted with a 'camper' style cover for the cockpit, with transparent windows, which zips on to the permanent sprayhood.

The original engine was usually a Perkins 4/107 or 4018 diesel, or occasionally a BMC Captain diesel, accessed from two large lifting panels in the cockpit sole (only one lifted here). Finally, the masts are mounted in tabernacles to allow raising and lowering without requiring hiring a crane.

Seadog 30
Seadog 30

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