Dos Coronas has a total length of 1070 m (3511 ft) with a maximum depth of 7 m (23 ft). The Dos Coronas cenote was explored in 2011, 2012 and 2013. The main entrances are located off the coast of Cozumel and are easily accessible. The 2012 map credits naming seven surveyors and explorers and Jon Lillestolen is the cartographer of the current map which again can be easily found in Cozumel dive shops.