Designed by Raquel and Eduardo Ocampo, the Seashell House measures just seven kilometres long and 650 metres wide and is located on Isla Mujeres, Mexico
http://www.dailymail.co.uk/travel/travel_news/article-3296727/Fancy-stay-GIANT-seashell-Book-Mexican-island-paradise-secluded-one-kind-holiday-just-coast-Cancun.html