The shallow sandbar that forms Stingray City sits three metres below the surface of North Sound, sixteen kilometres from George Town's cruise terminals. Southern stingrays began congregating here in the 1980s when fishing boats cleaned their catches at the site, and the species — Hypanus americanus, capable of wingspans exceeding two metres — established permanent feeding grounds across the sand flats. By the early 1990s, dive operators had transformed the location into the Caribbean's first interactive marine encounter, and today the sandbar hosts more than a million visitors annually, making it the Cayman Islands' most-visited natural attraction. The North Sound lagoon, protected by a barrier reef system that dates to the Pleistocene epoch, maintains water temperatures between twenty-six and twenty-nine degrees Celsius year-round. The sandbar itself measures roughly one hundred metres across at low tide, its white calcium carbonate substrate visible through crystalline water that averages one to one-point-two metres deep. Grand Cayman catamaran sunset cruise departures typically launch from Rum Point or the Seven Mile Beach corridor, crossing the sound's turquoise expanse in forty to sixty minutes depending on wind conditions and vessel draft. The catamarans — twin-hulled sailing craft ranging from twelve to twenty metres in length — draw less than a metre of water, allowing close approach to the sandbar without anchor damage to surrounding seagrass beds. Marine biologists estimate the resident stingray population at two hundred to three hundred individuals, though only thirty to fifty occupy the sandbar simultaneously during peak interaction periods. The rays exhibit habituated behaviour, approaching swimmers without defensive barb deployment — a response documented in peer-reviewed studies on human-wildlife interaction patterns. Sunset departures on the Grand Cayman catamaran sunset cruise tours align vessel positioning with the westward horizon, where the sun descends behind the reef line between six-fifteen and seven-thirty depending on season. The light shift from white-gold to copper occurs across a fifteen-minute window, illuminating the sound's shallow waters and the silhouettes of rays gliding beneath the surface. Additional snorkelling stops often include Coral Gardens or Barrier Reef sites, where elkhorn and staghorn corals colonise limestone substrates at depths of three to eight metres, and sergeant majors, parrotfish, and blue tangs school among the formations.