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 transparentr…