Sha'ab Rumi is Sudan's most famous reef, where Jacques Cousteau conducted his Precontinent II experiment, leaving behind underwater structures. The reef's plateaus are one of the best places in the world for reliable encounters with schools of scalloped hammerheads.

Sha'ab Sataya is a massive reef system with a huge, protected lagoon that is home to a very large pod of spinner dolphins. It's one of the best places in the Red Sea for respectful in-water encounters with these playful animals.

Sha'ab Sataya is a massive reef system with a huge, protected lagoon that is home to a very large pod of spinner dolphins. It's one of the best places in the Red Sea for respectful in-water encounters with these playful animals.

Shaab El Erg is a large, horseshoe-shaped reef famous for being a resting place for a pod of bottlenose dolphins. It's one of the most reliable places in the northern Red Sea for dolphin encounters, both from the boat and in the water.

Shaab Ruhr Umm Gamar is a deep offshore reef near Umm Gamar Island. It's a thrilling dive for advanced divers, featuring a small wreck on a deep plateau and a good chance of seeing grey reef sharks and whitetips.

Shaab Ruhr Umm Gamar is a deep offshore reef near Umm Gamar Island. It's a thrilling dive for advanced divers, featuring a small wreck on a deep plateau and a good chance of seeing grey reef sharks and whitetips.

Shaab Ruhr Umm Gamar is a deep offshore reef near Umm Gamar Island. It's a thrilling dive for advanced divers, featuring a small wreck on a deep plateau and a good chance of seeing grey reef sharks and whitetips.

The outer reefs of Shaab Samadai (Dolphin House) offer excellent diving for those not snorkeling with the dolphins. The area features a series of beautiful coral pinnacles and gardens that are teeming with a huge variety of Red Sea fish.

The outer reefs of Shaab Samadai (Dolphin House) offer excellent diving for those not snorkeling with the dolphins. The area features a series of beautiful coral pinnacles and gardens that are teeming with a huge variety of Red Sea fish.

The outer reefs of Shaab Samadai (Dolphin House) offer excellent diving for those not snorkeling with the dolphins. The area features a series of beautiful coral pinnacles and gardens that are teeming with a huge variety of Red Sea fish.

Shambaia is a large reef that is one of the best places in Sudan to see manta rays. A cleaning station on the reef's plateau offers reliable encounters with these graceful giants, and the deep walls attract other pelagic species.

Located at the southern tip of the Sinai Peninsula in Ras Mohammed National Park, this is one of the most famous dives in the world. It features two stunning reefs and the scattered cargo of the sunken vessel 'Yolanda', including toilets and bathtubs.

Shark Alley at Cat Island is a shallow reef system that is a known cleaning station and resting area for a large number of Caribbean reef sharks. It's an easy and exciting dive, offering very close encounters with these beautiful animals.

Shark Arena is a shallow, sandy dive site that is a reliable spot for seeing blacktip reef sharks. The sharks are accustomed to divers, offering a great and safe opportunity for up-close encounters and photography.

Shark Bank is an offshore pinnacle near the main island of Mahé. Its exposed location attracts large schools of fish and a variety of sharks, including whitetip reef sharks, grey reef sharks, and sometimes nurse sharks.

Shark Cave in Puerto Galera is a site where a small cave at 27 meters often serves as a resting place for whitetip reef sharks. The dive also features a beautiful wall and is a good spot for seeing other large marine life.

Shark Island, named for its fin-like shape, is one of the most biodiverse sites around Koh Tao. The currents that sweep past the island support a huge variety of marine life, from tiny nudibranchs to large groupers and passing pelagics.

Shark Observatory is a sheer vertical wall in Ras Mohammed National Park. While sharks are not as common here as the name suggests, it's a breathtaking drift dive along a deep wall, with a good chance of seeing tuna, jacks, and other large fish.

Shark Point near Munda is a classic point dive where strong currents attract a healthy population of sharks. Divers can hook in and watch grey reef, whitetip, and blacktip reef sharks cruise by in the current along a beautiful deep wall.

Shark Point near Phuket is a series of three pinnacles famous for its resident leopard sharks, which are often found resting on the sandy bottom. The pinnacles are covered in a stunning carpet of colorful soft corals and are teeming with marine life.

Shark Point, off the coast of Gili Trawangan, is a popular site for seeing reef sharks. A series of sloping reefs and canyons provide a habitat for whitetip and blacktip reef sharks, as well as the abundant turtles the Gili Islands are famous for.

Shaw's Cove is a beautiful and protected cove in Laguna Beach, perfect for beginner divers. The rocky reef is full of life, including bright orange Garibaldi, and it's a great spot to find lobsters hiding in the crevices.

The Shinkoku Maru is one of the most beautiful wrecks in Truk Lagoon. This large oil tanker is completely covered in a stunning carpet of soft corals and anemones. It's an easy wreck to dive and is particularly spectacular as a night dive.