Andaman Islands posses rarest varieties of coral reefs and marine life. It will be an incomplete vacation to be at the islands and not experience the marine life. For travelers who are not particular about going Scuba Diving must go for snorkeling. One of the best activities to perform when in Andamans. You get to experience the marine ecology being on the water surface. One does not need to know swimming to be able to do snorkeling.
There are many snorkeling site in Andamans tourists usually go to which includes North Bay (very close to Port Blair), Red Skin, Jolly Buoy & other sites in Havelock too.