The Red Sea resort coast: dive boats to the Giftun islands and dolphins in the morning.
The Ras Mohammed reefs and the Thistlegorm wreck, at the tip of the Sinai.
The Blue Hole, freediving on the Bedouin beach and Mount Sinai at sunrise an hour away.
The sea of seven colours, a Caribbean island closer to Nicaragua with Raizal English Creole culture.
The gateway to the Great Barrier Reef and the Daintree, the oldest rainforest on Earth.
Four Mile Beach, reef boats and the Daintree, the quieter northern base for the reef.
A sleepy Portuguese town, and Tofo beach with whale sharks and manta rays all year.
Dhow trips to the Bazaruto archipelago, dugongs and dune islands in turquoise water.
Coral reefs on the Red Sea, the Underwater Observatory and the desert of Timna, at Israel's southern tip.
Fifth Avenue, the ferry to Cozumel and the reef diving of the Riviera Maya.
The Mesoamerican reef a swim from shore, West End dive shops and whale sharks.
The harbour town on Flores where the Komodo dragon boats leave, with pink beaches and manta rays.
Island-hopping among the Bacuit lagoons of northern Palawan, limestone cliffs and turquoise water.
Infobox