Part of the Teluk Kembahu group of sites, TK2 and TK3 are more classic Lembeh muck diving slopes. These sites are all about patient critter hunting, offering the chance to find mimic octopus, wonderpus, hairy frogfish, and a huge range of other macro subjects.

The Toa Maru is a massive Japanese transport ship that lies on its side in shallow water near Gizo. It's a fantastic and very accessible wreck dive, with its cargo holds still full of interesting artifacts, including sake bottles, ammunition, and even a small tank.

The Tobago Cays is a stunning marine park and the jewel of the Grenadines. The protected horseshoe reef is a sanctuary for green sea turtles, and snorkeling or diving with them in the calm, turquoise water is an unforgettable experience.

Tobia Arba, or 'The Seven Pillars', is a beautiful and very easy dive site. A series of seven coral pinnacles rise from a sandy bottom, creating a stunning underwater landscape that is teeming with colorful reef fish.

Tobia Arba, or 'The Seven Pillars', is a beautiful and very easy dive site. A series of seven coral pinnacles rise from a sandy bottom, creating a stunning underwater landscape that is teeming with colorful reef fish.

Tofo is a small coastal town in Mozambique that has become a global hotspot for encounters with megafauna. The plankton-rich waters attract a year-round population of whale sharks and giant manta rays, as well as migrating humpback whales.

This is a unique dive site where two shipwrecks from two different world wars are touching. The SMS Cormoran is a German vessel from WWI, and the Tokai Maru is a Japanese freighter from WWII. Divers can touch both history and two wrecks at the same time.

Tokong Bahara is a series of submerged and semi-submerged pinnacles further offshore from the Perhentian Islands. The deeper water and stronger currents here attract larger schools of fish, including barracuda and jacks, and offer a better chance of pelagic sightings.

Tokong Laut is a pinnacle off the Perhentian Islands that is considered one of the best dive sites in the area. It's teeming with fish life, including large schools of snappers and fusiliers, and features several fun swim-throughs.

Tonga is one of the few places in the world where you can legally and ethically swim with humpback whales. These majestic giants come to the warm, sheltered waters of the Vava'u island group to mate and give birth. It is a snorkel-only, life-changing experience.

Tongo Point is a beautiful wall dive in Moalboal, easily accessible from the shore. The wall is covered in healthy corals and is another excellent spot to see the resident turtles. The shallow reef top is also great for macro life.

Torfa El Shona is a long reef that offers a beautiful and very easy drift dive. The sloping wall is covered in healthy hard corals, and the gentle current makes it a relaxing dive for all levels, with plenty of reef fish to see.

Tormentos is a beautiful and varied drift dive in Cozumel. The site features a series of large coral heads separated by sandy channels. It's a great spot for macro life, and home to the endemic splendid toadfish.

Toyapakeh is located at the northern end of the channel between Nusa Penida and Nusa Ceningan. It's a beautiful drift dive with stunning coral formations, including large pillars and bommies, and a very high density of fish life.

The wall section at Toyapakeh offers a beautiful drift dive along a steep, vibrant wall. The coral growth here is particularly rich and diverse, with a huge variety of hard and soft corals, and the visibility is often excellent.

Trinity Caves is a series of three long, beautiful swim-throughs or 'canyons' that cut through the reef. The walls of the canyons are covered in black coral and are a great spot to see large groupers and tarpon.

The Tristar is a Lockheed L-1011 TriStar passenger jet that was scuttled in deep water. It's a massive and spectacular wreck for technical divers, sitting upright and allowing for exploration of the fuselage and cockpit.

Trois Bancs ('Three Banks') is a series of three granite pinnacles that offer a beautiful and fishy dive. The rocks are covered in healthy corals and are a great place to see a huge variety of reef fish, moray eels, and stingrays.

Chuuk (Truk) Lagoon is the world's greatest wreck diving destination. In 1944, Operation Hailstone sank over 60 Japanese ships and 200 aircraft, creating an underwater museum. Wrecks are filled with artifacts, from tanks to sake cups, and are now beautiful coral reefs.

Tubbataha is a remote UNESCO World Heritage site in the middle of the Sulu Sea, accessible only by liveaboard for a few months a year. It consists of two pristine atolls with incredible vertical walls, huge schools of fish, and frequent pelagic sightings.

Tufi offers a unique combination of diving experiences. The main resort is set amongst spectacular tropical 'fjords' (rias), which provide calm muck and macro diving. Offshore, the outer reefs are pristine and visited by pelagics like hammerheads.

The house reef at Tufi Dive Resort is a fantastic muck dive, particularly under the main jetty. It's a great spot for finding rare critters day and night, and is a reliable location for spotting mandarin fish at sunset.

The Tugboat is one of Curaçao's most famous dive sites. This small, picturesque tugboat rests in very shallow water, completely encrusted in coral. It's an incredibly easy and beautiful dive, perfect for beginners and snorkelers.