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The world's best diving sites

Whether you want to plunge into the deep blue with whales in Rurutu, night dive in Malaysia or snorkel over a wreck in Australia, Essential Travel knows the top diving spots across the world...

Best for... all round experience

The Great Barrier Reef in Australia is probably the first place you think of when it comes to diving. It is, undoubtedly, a top destination and still one of the most exciting places to dive in the world. Novices will find plenty of calm, shallow areas to test their fins and the more-experienced divers are able to challenge themselves. Just make sure you use an environmentally-conscious dive operator as overuse has already damaged the reef.

North Sulawesi in Indonesia, meanwhile, boasts the Bunaken National Marine Park, which protects the area's diverse marine life. Visibility and depth range here is perfect for scuba diving and because there;s no continental shelf, depths range from 200m to 1840m, quite close to the shore.

Another top diving spot is Palau in the Pacific Ocean. The waters around the island nation (east of the Philippines) are heaving with coral gardens, sharks, world war wrecks and walls. The Chandelier Caves in Palau will delight experienced divers; made up of five chambers that go beneath the islands, the tight spaces and ink black darkness are definitely not for the claustrophobic, but are bound to delight all intrepid explorers.

Palau IslandsPalau Islands

Best for... beginners

Learning to dive can be a challenging (not to mention pricey) process, but there are many diving spots for beginners with plenty of dedicated schools and shallow, calm waters. Sri Lanka is one such place offering plenty of English-speaking PADI-qualified instructors and underwater treasures. Dive season alternates from east to west coast - dive Hikkaduwa from November to April and Trincomalee from May to September.

Thailand tends to be a cheap place to get a PADI Open Water certificate and the waters around Samui, off the west coast of Thailand, are an exciting and beautiful place to learn. As the second-largest island in Thailand (after Phuket), Koh Samui is fast becoming the top dive destination in Thailand. With well over 15 dive schools, it's the perfect place to get your underwater wings.

Koh SamuiKoh Samui

Best for... UK diving

It may not be the first place you think of when it comes to scuba diving, but the UK is actually filled with dive sites. Skomer Island in Pembrokeshire gives those with a thick drysuit the chance to spot the European conger eel, porpoises and basking sharks - the second-largest fish species. The temperatures in these waters can go down to 8 degrees centigrade, so cover up and remember to reduce your dive time by at least 25% to account for increased metabolism in cold water. Meanwhile, the UK's answer to the Caribbean, the Scillly Isles, has more than 100 dive sites providing the opportunity to explore wrecks and get up close and personal with some friendly seals.

Skomer IslandSkomer Island

Best for... wreck diving

There's something endlessly magical about wreck diving. The mystery of the ships' fated end, their ability to morph into stunning reef colonies and the adrenalin of exploring a submerged man-made structure make them an unbeatable experience. Two of the best wrecks can be found at Vanuatu (a South Pacific island) and Grenada (a Caribbean island). The former is the 600ft luxury liner SS President Coolidge from the 1930s. The shallow depth of this wreck dive makes it accessible to recreational divers. The latter site is home to the 'Titanic of the Caribbean' - Bianca C, a mammoth cruise ship that sank in 1961. The ship is still mostly upright but is deeply submerged, so this dive is strictly for the pros.

Wreck DivingWreck Diving

Best for... night and cave diving

Night diving might sound daunting but it's definitely worth braving. A host of marine life can only be seen at night and there's nothing quite like shining a strobe light to illuminate brilliantly-coloured walls of coral. Maaya Thila in the Maldives is a hot destination for night diving, famous for the elusive "ghost pipefish". These tiny fish are the chameleons of the ocean - you have to look really carefully to pick them out. On the other side of the world, the Cenotes of Riviera Maya in Mexico make up a hauntingly-beautiful underworld. The Mayans believed them to be entrances to the afterlife and would throw people into them as sacrifices to the rain god. Thankfully, these days, divers from all over the world actually volunteer to be thrown into the water. With no current to contend with, you can really be in the moment and admire the stalactites (from the top) and stalagmites (from the bottom). These dives require expert buoyancy control so keep an eye on the depth watch.

Cave divingCave diving

Best for... snorkellers

Listening to divers chatter on about sharks and mantas can make snorkelling seem dull in comparison, but there are snorkelling spots that match any dive experience. Snorkelling at Klein Curacao, off the coast of Venezuela, is like a dive without the heavy equipment and tight wetsuits. The island is uninhabited and untouched, and has a Robinson Crusoe feel to it. With great visibility and a chance to get up close to the endangered green sea turtle, it's a great way to escape from civilisation. Between Australia and New Zealand, Lord Howe Island has a lagoon, purpose-built for snorkelling. The enclosed azure waters are calm enough for even very young snorkellers. The island boasts perhaps the only wreck-snorkelling spot in the world. A small ship was scuttled in the shallow waters near the island and has become a unique attraction.

Lord Howe islandLord Howe island

Best for... blue hole diving

"Blue holes" are submerged sinkholes that are noticeably darker than the surrounding ocean. The most famous being the Great Blue Hole off the coast of Belize. This 125-metre vertical drop may be low on marine life (apart from the odd shark) but the experience of diving into the incredibly-deep blue is unparalleled. An even deeper blue hole can be found in the Bahamas. At 202 metres, Dean's Blue Hole is the deepest blue hole in the world. Barely a swim from the shore, it looks innocent, until you realise you're staring at a gaping endless hole. Recently, a freediving record (diving without a tank) of 100 metres and three minutes underwater was set in this hole - we recommend bringing along a tank, as you won't see much with one breath.

Deans blue holeDeans blue hole

Best for... spotting whales

Whale lovers should make Rurutu a must-see on their travel itinerary. From July to October, the migratory humpback whales make their way to the warm waters of this French Polynesian island, giving divers and fearless snorkellers the chance to get up close to these graceful mammals.If you like your whales with teeth, the cold waters of Norway offer fun dives with Orcas. Contrary to their "killer whale" nickname, there have been almost no Orca attacks on humans in the wild. Winter sees the migratory Orcas make their way through the fjords of northern Norway. Catch them in Lofoten with unique Orca safari dives that you can boast about when you arrive back home.

Whales in RurutuWhales in Rurutu

Best for... drift diving

Drift diving feels a lot like flying. The current lifts you on imaginary wings for a weightless ride that would make Superman jealous. Rangiroa Island in French Polynesia has a wicked current that carries you from its lagoon into the ocean. 'Shooting the pass' takes you past a stunning coral reef and an abundance of marine life. Unlike normal dives, the boat follows the bubbles and you have to keep up with the group or get left behind. Beginners might want to take guidance from a dive-master.

Rangiroa IslandRangiroa Island

Best for... macro-diving

Macro-diving shuns the touristy thrills of sharks and whales, and instead focuses on the little guys - the many small fish that hide in the reef and support the ocean's ecosystem. The best place to find Nemo is Mabul in Malaysia. The range of macro-life that can be found in these waters is enough to keep your camera clicking for hours. Shrimp, gobies, frogfish, stargazers, seahorses, clownfish, crocodile fish, snake eels...name the fish and it's probably swimming in these waters. Taking the perfect picture requires a bit of skill, patience and luck. First, make sure that the subject is adequately lit with a good strobe light, then watch the fish for a while before snapping your masterpiece.

Macro divingMacro diving

Seasense tips

  • Make sure you get diving certified before going on a dive.
  • Do not go with a company that allows novices to dive: it's unsafe and your travel insurance policy won't cover you if something goes wrong.
  • Check your travel insurance policy to see what type of diving you're covered for.

For a detailed guide on how to get started and to see what sort of diving you're covered for, Essential Travel has prepared a guide to Scuba diving.

By Josh Downes

Guest Travel Writer

Your Essential Travel Experts can't be everywhere all the time, so we often welcome guest travel writers. This article was written by one such visiting travel enthusiast whose experience of different places and advice for travellers makes for an interesting read. Enjoy!