A foilboard or hydrofoil board is a surfboard with a hydrofoil that extends below the board into the water. This design causes the board to leave the surface of the water at various speeds. Foilboarding
Here's a few pics from above during the bay crossing from Wildcat Park, Portland Texas to Fajitaville in North Beach Corpus Christi, Tx. A straight shot from point to point is about 5.5 miles one way.
Rocky Chatwell from Star Kiteboarding rips up Wildcat park in Corpus Christi Tx in an afternoon session.