Nigel Marsh and Helen Rose

Located near Luganville, off the island of Espiritu Santo in Vanuatu, this President is none other than the SS President Coolidge.

You only turn fifty once, so I didn’t want a normal birthday party – I wanted something bigger, I wanted to be overseas and diving with big sharks.

Off the usual track, we visit a Malay paradise of reefs and wrecks.

Turtles are what first attracted people to Heron Island in Australia, and they still do today.

The SS President Coolidge is rated as one of the best wreck dives in the world, but there is much more to Santo than this enormous shipwreck.

Malapascua Island is the best place in the world to see pelagic thresher sharks.

The SS Yongala is rated as one of the best dive sites in the world. The Australian shipwreck homes more marine life than anywhere else on the planet.

More divers become certified at Koh Tao than any other place in the world. But why is this island in Thailand so popular?

In the Philippines, new whale shark hotspot has emerged at Oslob, which is unique in the world and also quite controversial.

A visiting diver's review of the almost mythical destination of North Komodo. And yes, there are dragons.

You only turn 50 once - so where better to celebrate than big shark diving in the Bahamas.