Perfect for the Old Salt who fancies a burial at sea, here's the Boat Coffin by Sebastian Errazuriz (previously on Neatorama): Link
Perfect for the Old Salt who fancies a burial at sea, here's the Boat Coffin by Sebastian Errazuriz (previously on Neatorama): Link
You don't need a dagger board like that on an outboard powered coffin. A wee skeg will do just fine on your trip across the Styx.