Back in the 1900s, the Mexican Government used the islands as a military testing site and the bombs are believed to have carved out this stunning circular beach.
Swimmers can reach the cove via a 40-50ft swim-through water tunnel. However scuba gear is not needed as the water doesn’t fill the whole entrance.
“Puerto Vallarta is a very popular tourist destination in Mexico and now that there is awareness, the amount of visitors the hidden beach receives had grown astronomically.”
Visitors must have a permit for the Marietas Islands as they are a Natural Reserve protected by the Mexican Government.
Read more: DailyStar