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How did they build the underwater hotel in Maldives?

The construction of The Muraka was both innovative and environmentally conscious. Each piece of the 600-ton lower level was built in Singapore and then transported to the Maldives via a specialized ship before being plunged underwater and anchored firmly in place using ten concrete pilings.



The construction of the Muraka (at the Conrad Maldives Rangali Island), the world's first underwater residence, was a feat of marine engineering that took place primarily on land. The 600-ton structure was pre-fabricated in Singapore to ensure precise airtight seals and structural integrity under high pressure. Once completed, the entire lower level was loaded onto a specialized ship and transported across the Indian Ocean to the Maldives. To install it, the structure was lowered into the water using a massive crane and anchored to the seabed using ten heavy concrete pilings that were driven into the reef. Engineers used a complex system of ballast and hydraulics to submerge the dome-shaped bedroom 5 meters below the surface. The exterior is encased in a thick, curved acrylic window that provides a panoramic view of the reef while withstanding the constant pressure of the ocean. This "plug-and-play" construction method minimized damage to the local coral ecosystem while allowing for a level of luxury and safety that would have been impossible to achieve through traditional underwater building techniques.

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Compressed air is pumped through the lodge, to prevent water from rising and flooding the structure from its open, circular entrance. The lodge comes equipped with air conditioning and internet, as well as large portholes where visitors can look out at the surrounding wildlife.

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The cost of designing and building an underwater hotel varies depending on several factors such as location, size, and design complexity. According to industry experts, the cost of constructing an underwater hotel can range from $50 million to $500 million or more, depending on the scope of the project.

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There are currently thirteen hotels around the world that can host guests underwater. The Maldives, has six underwater hotels, all six of which have restaurants in their underwater section but only one, Conrad Rangali Island, also has an underwater hotel room.

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The Maldives, for example, is made up more than 1,000 islands spread over 90,000 square kilometers, making it 99% water.

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Researchers show that using simple engineering principals to raise islands or build new ones can help small island nations like the Maldives withstand long-term sea level rise due to climate change.

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The villa is named The Muraka, which means “coral” in Dhivehi, the Maldives' native language, for the way it rests on the ocean floor. The structure is composed of concrete, steel, and acrylic glass, with a spiral staircase and private elevator to aid guests in their descent below sea level.

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