Cay Island Tours is glass bottom boat tours. The islands of The Bahamas are renowned for their crystal, clear waters, with hues of blues that captivate even the most seasoned traveler. It is on these pristine waters that we take you to experience what is under the sea! Hop aboard our state-of-the-art, 37 foot “spaceship” as it is so frequently referred to and discover a bright and beautiful world safely from your seat on one of our two vessels; the Sea Turtle & Sea Lion.