Stealth Speedboat

A low, narrow-hulled speedboat fitted with a muffled engine housing and a radar-diffusing hull coating, built to approach a target across open water without announcing itself the way a standard motorboat's engine note and wake would. Its low profile also makes it harder to spot visually at any real distance.

The muffling and coating both come at some cost to top speed compared to an unmodified hull of the same size, a trade-off accepted in exchange for a genuinely unnoticed approach.