Massive plastic pipes filled with sand  were used to create the symbolic mosque under the water , Almadina daily said.

“We have just completed the construction of the mosque…when we put the final touches on it, it was time for afternoon prayers, so we performed group prayers in the first underwater mosque in history,” diver Hamadan bin Salim Al Masoudi said, Emirates 24/7 reported.

Meanwhile,Drydocks World, the indebted shipbuilding arm of Dubai World, recently signed a contract to build an underwater hotel with a Swiss firm called the World Discus Hotel on Wednesday.

Drydocks World unveiled an agreement with BIG InvestConsult, which holds the technology rights, to build the World Discus Hotel.

The hotel, featuring a discus-shaped residential underwater building connected to another discus above water, will be funded by BIG, which is in talks with other investors, Zawya reported.

This project has seven different types of designs and (each will cost in) the range of around $50 million to $120 million. The amount differs based on the design.

Dubai also boasts the world’s tallest tower and an indoor ski slope. Amid the Arab Spring, Dubai is percieved as a safe “heaven” with booming tourism and trade.