Motor cruisers are engine-powered boats of around 25ft (7.5m) to 46ft (14m). Larger vessels of 50ft (15m) and above tend to be called motor yachts.Designs vary significantly according to their purpose, but for their given length they can offer a

The purposeful lines of tugboats are very distinctive and their deep, wide hulls lend themselves well to conversion into living accommodation. Most tugs in working condition are dominated by their engine and fuel tanks. Even a large ship of around