South Ari Atoll, Maldives

Ithaa Undersea RestaurantA long corridor sunk beneath the atoll

The room sits five metres under the water, with seating for fourteen guests inside a curved acrylic enclosure and a walkway down the middle.

The restaurant belongs to Conrad Maldives Rangali Island, in South Ari Atoll, and is built below the surface between two of the resort's islands.

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PlaceSouth Ari Atoll, Maldives

DepthFive metres

SeatsFourteen

OpenedApril 2005

A pearl set down in the sea

South Ari Atoll, Maldives — An all-glass room under the lagoon.

From the floating platform you pass through a thatched pavilion with an opening at its centre and take a spiral stair down, arriving at the restaurant at the bottom. Acrylic runs on all four sides and overhead, with the water pressed against it. Most people stop in the doorway first and look up at fish crossing above them.

The restaurant opened in April 2005 as the first underwater restaurant in the world, and it is still running.

The meal takes the better part of a day on its own. Plane, boat, jetty and spiral stair cannot be skipped, which makes it hard to drop into an itinerary that is already full.

A group of guests dining beneath the curved glass wall — Guests at a table under the curved glass

A table in the evening with a lamp lit on it, deep blue water beyond the glass — An evening table, lamp lit, deep blue outside

The empty corridor, shafts of light falling across the tabletops

The corridor five metres down

The room is five metres wide and nine metres long, with acrylic arches overhead and a 270-degree panoramic view. The acrylic panels supplied by Reynolds Polymer fit into a steel frame. Built on land in Singapore, the completed unit travelled by barge to the Maldives before being lowered beside the reef. From the tables, the curved ceiling carries the view upwards into the water.

A father lifting his child up inside the underwater corridor

The meal carried down

The kitchen stays on shore, with the stoves, ovens and prep counters all up there, and servers carry the plates down the spiral stair, trip after trip. There is no à la carte: lunch is four courses, dinner six. Lobster and wagyu are the signatures, and the cooking has moved towards contemporary European, with Asian influences alongside.

A seaplane moored beside the floating platform at the edge of the atoll

The journey out

Reaching Ithaa means a change at Malé. The seaplane runs from six in the morning until half past three, thirty minutes in the air, landing on a floating platform off the island; the speedboat alternative takes over four hours from Malé. Eating here does not require staying, but a resort more than a hundred kilometres away will ask for a night booked first.

Two islands joined by a jetty, pale blue lagoon all around them

Route

Half a day out of the island

For lunch the morning flight is the smoother run: eat, walk the island, and take an afternoon flight back to Malé. Dinner ends late, by which time the day's flights have gone.

How it was built

In February 2004, Crown Company and Hilton commissioned New Zealand firm M.J. Murphy to design and supervise an undersea restaurant. Its five-metre-wide acrylic arch drew on the firm's earlier aquarium work in Kuala Lumpur.

The team first considered building on Rangali Island, then moved construction to Singapore for easier assembly and quality control. A steel structure, concrete ballast and sealed acrylic arches were assembled there. On 1 November 2004, the 175-tonne unit was lifted onto a barge for a sixteen-day journey to the Maldives.

On 19 November, a crane lowered the unit over four steel piles. Workers carried 85 tonnes of sand in bags into its base so it could settle onto them. Divers poured concrete into the piles the following day to secure it. The restaurant opened in April 2005.

Where it sits

The resort holds two islands joined by a jetty 500 metres long, and seven restaurants stand on the islands. Ithaa is not on either of them but under the water at the end of the jetty, entered through the thatched pavilion.

The room falls in the middle of a coral slope, and the glass shows three bands: small reef fish near the sandy floor, rays working along the slope, larger fish further out. Manta rays and whale sharks pass through this stretch too, though whether they do on your day depends on the season and on the water.

Also worth knowing

Champagne, guest cooks, the name, and two numbers.

Champagne in the sand

A few crates lie on the sand at the entrance, due to be lifted in December 2026 and drunk only by guests eating here. Temperature and pressure hold steadier than in a cellar ashore, and the water keeps moving past them.

Guest chefs and the list

The calendar on the official site carries guest chefs and winery dinners, with old Burgundy houses and cooks from the Alps among them. Dates follow what is published at the time, and it is worth asking about them when booking.

The name and two old events

Ithaa means mother of pearl in Dhivehi. In the 2004 tsunami the wave stopped thirty centimetres short of the top of the stair and the restaurant was not damaged. For its fifth anniversary in 2010 the room was converted into an underwater suite for the night, and sold that way for a year.

Two numbers

Five metres down and fourteen seats. Few seats make it hard to book; the shallow depth lets in enough light that the blue outside is bright rather than the black of deep water.

Putting a meal here into a trip

Four courses at lunch, six at dinner, a booking made days ahead, and a seaplane timetable to work around.

Cuisine

Set menus only: four courses at lunch, six at dinner.

Booking

At least 24 hours ahead, 48 for special events. Cancelling inside 12 hours costs half, a no-show all of it. Dinner is fourteen and over; lunch takes children, with a smaller portion for ages six to eleven. It opens only some days of the week.

Hours

Breakfast 8:00-9:30, viewing 11:00-12:00, lunch 12:30, dinner 18:30. Island time runs an hour ahead of Maldivian time; arrive fifteen minutes before your sitting.

Dress and diet

Smart casual: a collared shirt with trousers or tailored shorts for men, resort formal for women. No vests, sportswear, swimwear or sleepwear. Shoes come off at the door.

Plan this into a journey

Tell us the dates and who is travelling, and we can talk through how a lunch under the lagoon fits an island itinerary.

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