Ithaa is the very first undersea restaurant in the world located 5 metres (16 ft) below sea level at the Conrad Maldives Rangali Island in Alif Dhaal Atoll in the Republic of Maldives. The 5-by-9-metre (16 by 30 ft) mostly acrylicstructure has a capacity of 14 people and is encased in R-Cast acrylic with a transparentroof offering a 270° panoramic underwater view. The restaurant was designed and constructed by M.J. Murphy Ltd. – a design consultancy based in New Zealand – and was opened on April 15, 2005. Food served in the restaurant has evolved over the years and is now best described as contemporary European with Asian influences.
Ithaa’s entrance is a spiral staircase in a thatched pavilion at the end of a jetty. Thetsunami which followed the 2004 Indian Ocean earthquake topped at 0.31 metres (1 ft 0 in) below the staircase entrance, and caused no damage to the restaurant.