Sodwana Bay is a world-renowned dive destination, home to the southernmost coral reefs in Africa. The reefs are incredibly pristine and biodiverse, with seasonal aggregations of ragged-tooth sharks and a huge population of turtles.

Sodwana Bay is a world-renowned dive destination, home to the southernmost coral reefs in Africa. The reefs are incredibly pristine and biodiverse, with seasonal aggregations of ragged-tooth sharks and a huge population of turtles.

Sogod Bay in Southern Leyte is a hidden gem, offering pristine, uncrowded diving. It's a seasonal hotspot for whale shark sightings, and also boasts spectacular wall dives and fantastic macro and muck diving sites.

The Solomon Islands offer a huge variety of world-class diving. From the historic WWII wrecks of 'Iron Bottom Sound' to the pristine reefs and unique caverns of the Russell Islands and the fish-filled currents of Gizo, the diversity is incredible.

Sombrero Island, named for its hat-like shape, offers some of the healthiest and most vibrant reef diving in the Anilao area. The sloping reefs are covered in hard and soft corals and are a great place to see turtles and sea snakes.

Marked by a large lighthouse, Sombrero Reef is a beautiful and extensive shallow coral reef. It's a fantastic spot for snorkelers and beginner divers, with a huge variety of colorful reef fish and healthy hard corals.

Something Special is a classic Bonaire muck diving site, located right next to the main town. The silty, sloping bottom is a treasure trove for macro photographers, with a huge variety of rare critters to be found.

The Somosomo Strait, between Taveuni and Vanua Levu, is known as the 'Soft Coral Capital of the World'. The currents here fuel an explosive growth of incredibly vibrant soft corals, with world-famous sites like Rainbow Reef and the Great White Wall.

South Miniloc is one of El Nido's most popular dive sites. A large rock is surrounded by a sloping reef that is home to a massive school of yellowtail snappers. The reef is covered in beautiful cabbage corals and is a great place to see turtles.

South Plaza is a small island with a massive sea lion colony. The diving is on a beautiful, sloping rocky reef that is teeming with a huge variety of colorful reef fish.

South Plaza is a small island with a massive sea lion colony. The diving is on a beautiful, sloping rocky reef that is teeming with a huge variety of colorful reef fish.

South Plaza is a small island with a massive sea lion colony. The diving is on a beautiful, sloping rocky reef that is teeming with a huge variety of colorful reef fish.

South Point is a deep wall dive at the southern tip of Sipadan. It offers a chance to see larger pelagics coming in from the deep, including scalloped hammerhead sharks for those willing to venture deeper early in the morning.

Similar to the North Wall, the South Wall of Apo Reef offers a breathtaking vertical drop-off with incredible coral health and biodiversity. It's a fantastic drift dive with a huge variety of reef fish and regular shark and turtle sightings.

The Southern Pinnacles of Protea Banks are a deep reef system that is a hotspot for schooling scalloped hammerhead sharks during the winter months. It's also a great place to see the large aggregations of ragged-tooth sharks.

Southwest Pinnacle is a series of submerged rock pinnacles that is one of Koh Tao's best dive sites. The pinnacles are covered in soft corals and anemones and are swarmed by large schools of barracuda and snappers, with a good chance of whale shark sightings.

Soyak Island offers some of the easiest and most pleasant diving around Tioman. The shallow, protected reefs are covered in hard corals and are a great place for turtle sightings. There are also several small wrecks that have become artificial reefs.

The Spiegel Grove is a massive former US Navy landing ship that was scuttled to create an artificial reef. At 510 feet long, it's a truly enormous wreck to explore, now home to giant groupers, jacks, and barracuda.

The Spiegel Grove is a massive former US Navy landing ship that was scuttled to create an artificial reef. At 510 feet long, it's a truly enormous wreck to explore, now home to giant groupers, jacks, and barracuda.

Spotlight is a cavern dive named for a single hole in the ceiling that sends a dramatic beam of light down into the cavern on sunny days. It's an easy and beautiful dive, perfect for photographers.

The SS Andrea Doria was a beautiful Italian ocean liner that sank in 1956. It's a massive and very deep wreck, known as the 'Mt. Everest of Wreck Diving' due to its depth, cold water, and strong currents. A very challenging technical dive.

The SS Atlantus is one of the few remaining concrete ships from a fleet built during WWI. The wreck is now broken and rests in very shallow water off the coast of Cape May, New Jersey, making it a unique snorkeling and shallow dive site.

The SS Capilano was a steamship that sank in 1915. The deep, cold water has kept the wooden hull remarkably well-preserved. This is a fantastic historical wreck for technical divers.