( CNN ) -- Instead of getting away from it all , go underneath it , and escape to some of the world 's unique underwater restaurants and hotels . You 'll have to wear scuba gear and a bathing suit or use a boat to get to some of these undersea retreats . Jules ' Undersea Lodge . Feel like a superstar at this resort . Celebrities such as Steven Tyler of Aerosmith , Jon Fishman of Phish and former Canadian Prime Minister Pierre Trudeau have visited this underwater lodge in Key Largo , Florida . To reach Jules ' Undersea Lodge , you must scuba dive 21 feet down . You 'll enter through a 5-foot-by-7-foot opening at the bottom of the lodge , where you 'll be greeted with amenities you 'd find at an above-ground hotel : a cozy bed , a telephone , books and a VCR/DVD for movies . You 'll breathe easy inside this air-conditioned lodge , which is filled with compressed air to prevent water from flooding the rooms . The living quarters include two private bedrooms , a wet room where divers leave their gear and take a shower , and an 8-foot-by-20-foot multipurpose room for dining and entertaining . One couple named their baby Jules after discovering that their recently conceived child had accompanied them to the underwater hotel . Another couple 's visit inspired them to change careers and open a dive shop , according to the owners . A night 's stay costs $ 400 to $ 500 per person , depending on the package . Ithaa Undersea Restaurant . Watch sea life swim around you as you dine in this underwater getaway . Set in a picturesque corner of the Maldive Islands , Ithaa Undersea Restaurant claims to be the world 's first all-glass underwater dining establishment . This luxury restaurant , which has welcomed thousands of diners since 2005 , sits 16 feet deep in the Indian Ocean and is surrounded by sea life and a coral reef . The six-course dinner menu often features French dishes from executive chef Nicolas Boutin and is priced at $ 320 a person . A lighter three-course lunch menu is available for $ 195 a person . Both meals include one glass of bubbly champagne . If you 're dining at lunch , do n't forget to bring your sunglasses . The sun 's rays illuminate the water and make the restaurant so bright inside that diners and the wait staff need eye protection . Utter Inn . If you 're looking for a simpler underwater experience , consider the Utter Inn in Västerås , Sweden , which is a single-room hotel containing just two twin beds and a table . This underwater spot , which looks like a small red house above the water , lies nearly 10 feet below the surface of Lake Mälaren and can be accessed only by boat . Panoramic windows in all directions allow guests to watch fish and other aquatic life swim by . During your stay , hang out on the above-water deck to sunbathe , read or fish . Guests are also invited to use an inflatable canoe to explore a nearby uninhabited island . No cooking is required at this getaway . Instead , order dinner and have it delivered . A typical night 's stay at the Utter Inn costs $ 212 per person . Poseidon Undersea Resort . Sleep next to exotic sea life at Poseidon . This underwater five-star luxury hotel in Fiji , set to open in late 2012 , has been marketed as the `` world 's first sea floor resort . '' The 24-room Poseidon Undersea Resort will sit 40 feet below the crystal clear waters of a Fijian lagoon , next to a coral reef . Guests will be required to spend two nights in the underwater hotel and four nights at a more traditional beach resort and over-water bungalows on a 222-acre island called Poseidon Mystery Island . The high-end hotel will feature an underwater restaurant , library and theater area . Above the water , visitors can check out wine-tasting classes and a nine-hole golf course , or be pampered with spa treatments . Be prepared to open your wallet wide at this resort . The cost for this exclusive experience is $ 15,000 per person ( when sharing a room ) or $ 30,000 a couple . Forbes Island . Reachable only by boat , Forbes Island off Pier 39 in San Francisco offers above- and below-water dining . Featured on `` Lifestyles of the Rich and Famous , '' the island was once home to millionaire Forbes Kiddoo . On the menu are French culinary classics like coq au vin or filet mignon with a truffled Bordelaise sauce , local seafood such as halibut or Pacific Coast salmon , and a large wine list . In the underwater area , guests can peer through several portholes while dining in a dark wood-beamed room accented by a giant gas fireplace and a large collection of nautical antiques . Above the water , dine outside or in rooms with spectacular views of San Francisco Bay , Alcatraz , Coit Tower and the Golden Gate Bridge . The price range for an entree is about $ 20 to $ 39 . Wines by the glass start at $ 9 .
Underwater restaurants and hotels offer travelers a unique experience . Celebrities Steve Tyler and Jon Fishman visited Jules Undersea Lodge . Ithaa Undersea Restaurant claims to be the world 's first all-glass underwater restaurant .