Aqua Tiki operates as a liveaboard diving service in French Polynesia, primarily focusing on the Fakarava and Tuamotu atolls. They offer cruises aboard catamarans like Aqua Tiki II and Aqua Tiki III, providing accommodation, guided dives, and opportunities to see sharks, manta rays, and other marine life. Their itineraries are designed to maximize diving experiences in these UNESCO Biosphere Reserves.