Design
Seabright Tunnel 21
Designed by Jacques Mertens
A 21 ft 8 in shallow-draft inboard launch by Jacques Mertens for Bateau, using the Atkin style tunnel stern derived from the Seabright skiff and its wide box keel. It draws 6 in at 1,760 lb and 9 in at 2,900 lb. Beam is a slim 5 ft 10 in. The recommended engine is a 21 hp diesel, and the designer says the hull works best between 12 and 18 mph.
Built upside down on a jig in plywood and epoxy composite, with keel stringers that double as engine girders. The designer states it is not a first-time project because the hull shape is complicated. No hours are published; budget 600 to 1,000 including the inboard installation. The medians below come from builders who logged this boat here.
What building a Seabright Tunnel 21 actually takes
Medians from the build logs kept on this site, not the designer’s estimate. Nobody has logged this boat here yet, so they are empty until the first builder does.
Those medians firm up as more people log this boat.
Builds of this boat
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Start the first log of this boatBoats like this one
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