A long time ago I posted some shots of an interesting boat I saw by the Seal Team base. Can't find that post anywhere, but the boat looked like this:
Now Knight and Carver are offering yachts based on the "M" hull technology.
You can read about it
here. Estimated price, $4.2 Million
Vessel Walkthrough
"New Construction proposal"
This new design by M-SHIP Company for yachts of the future that will produce speeds in excess of 50 knots. The huge 32' beam will change the high performance aspects of yachting. This futuristic design will appeal to the buyer who demands the finest in technology and craftsmanship. NOTE: The new 80' X 40'Stealth Prototype, built for the U.S. Navy, has been completed and acheived speeds in excess of 50 knots during recent sea trials in San Diego, also a 65 foot single "M" hull has been built with a smaller beam for Venice Italy canals and can be built with water jets "KAM MA WA or HAMILTOM drives (see picture) these vessels can be built to suit 60 to 80 feet and a beam from 20 to 40ft in a motoryacht version with shallow drafts, speeds, stability, that are not found without the "M" hull design. Knight & Carver has their own design team along with the "M SHIP CO." to build the yacht you require to fill your needs.