The opulence implied by the term “luxury power cat” has largely meant the commodious salons typical of these wide-beam motor yachts. Unfortunately, such spaciousness has long come at a price that includes ungainly styling, severely narrow staterooms in the outer hulls, and squirrely handling on big seas—not to mention a lack of compatibility with many marina slips due to the form’s bulky proportions. But a handful of builders are addressing such issues with slimmer designs and the use of foils for enhanced performance. Take Bluegame’s BGM75, with a width of 26 feet seven inches, or about 25 percent of its length overall. By comparison, conventional power cats sport beams closer to 50 percent of their lengths. “This is more like a monohull that happens to have twin hulls,” says Luca Santella, Bluegame’s founder and head of product strategy. Another bonus: Thanks to naval architect Philippe Briand’s design, the Bluegame catamaran requires roughly half the horsepower..