A recognized global leader in luxury small-ship expeditions, Aqua Expeditions explores the worlds most biodiverse and culturally significant destinations aboard best-in-class vessels of stylish contemporary design. Expect tailored five-star itineraries, a highly exclusive 1:1 crew-to-guest ratio, cuisine by award-winning chefs, and small group expert-guided activities and excursions , with a maximum of 16-40 guests per ship.