The distinction has become especially important lately, as luxury hotel brands begin to make forays into the great wide world of floating accommodations. First to hit the water was the Ritz-Carlton, whose 623-foot Evrima officially launched the Ritz-Carlton Yacht Collection in 2022. The Luminara from the Ritz-Carlton Yacht Collection. Of note: Several staterooms include their own private plunge pools, a rarity even on the largest of private yachts. The Satori Courtesy of Borgo Santo Pietro, a Relais & Château hotel.