1.  Mosquito Bay in Vieques Island, Puerto Rico – considered one of the unspoiled wonders of the world.  It would be a real treat to be in the biobay at night when the electricity goes out in the island.  It is also better to be there when the moon is not visible in the sky.  In a moonless night, the biobay is said to produce more than enough light to read.  What made it possible are the dinoflagellates.  There are 700,000 of them for every gallon of water in the bay.  These phosphorescent single-celled organisms glow whenever they are agitated.  This is their defense mechanism to daze whatever predator are bothering them.  So when you are swimming and suddenly stopped moving the light will dim.

2. Jellyfish Lake in the Pacific Island of Palau – A well-known dive site.  This lake is formed over million of years ago when a submerged reef rose from the sea creating a salt water lake locked by land and there the jellyfish were trapped.  The jellyfishes in this lake lose their sting.  It was such a different sensation to be swimming with t eh jellyfish in the jelly fish lake.

3.  Devil’s swimming pool in Zambia.  It is a naturally formed pool at the top of Victoria falls, which is considered as the world’s largest waterfalls.  From the months of September to December it is possible to swim at the edge of the falls in the side pool which is naturally formed.  This is due to the low water level during these months.

4. Dean’s Blue hole in a bay West of Clarence Town, Bahamas – considered as the deepest underwater sink hole with 663 feet from the ocean floor, perfect spot for diving.  From the beach, you can see its area, blue-green color which reflects its depth in the water.  It looks mysterious and haunted but at the same time inviting.