Huvafen Fushi, a five-star luxury resort in the Maldives, bills its underwater spa as the world's first and only of its kind.

Ocean lovers who just can't get enough of the water can take swimming, snorkeling and diving one step further with a meal, a spa treatment or an overnight stay underwater. Located in far-flung ...

The underwater viewing area turns into sleeping accommodations, and you can take late-night tours to see nocturnal-animal behavior. For $115 per person, breakfast and dinner are included.

The underwater section faces a giant tank holding over 40,000 marine animals, which means every stay comes with a front-row seat to colorful schools of fish. Huvafen Fushi – Maldives ...

New and experienced divers can also explore Key Largo Undersea Park's 30-foot-deep emerald lagoon, where they can spot marine ...

Six guests have already stayed overnight in the underwater room, and the resort’s managing director, Matthew Saus, in summing up their reaction, described it as a sense of “awe.” ...

An underwater lodge in Florida. A salt hotel in Bolivia. If you enjoy quirky hotels, you’ll love this list of 15 places to stay around the world.

Opening at the end of this year, there will be two underwater rooms featuring premium bedding, glass-walled en suite, and floor-to-ceiling views of the underwater world of the Great Barrier Reef.

When it comes to luxury hotel rooms, down is becoming the new up. Instead of penthouse suites, the most exclusive accommodation in the house may soon be at the very bottom, 20ft (6m) or more ...

Australia's first underwater hotel in Queensland took 14-months to complete and cost staggering $10million The Queensland Government partially funded the show-aquarium hotel to the tune of $2 ...

When it comes to luxury hotel rooms, down is becoming the new up. Instead of penthouse suites, the most exclusive accommodation in the house may soon be at the very bottom, 20ft (6m) or more ...