Green sea turtles can hold their breath underwater for hours.  They are noticed at the surface of the water when they pop up to catch a few seconds of air before their next dive. Photographer: Na Pali Riders Raft Tours

Green sea turtles can hold their breath underwater for hours.  They are noticed at the surface of the water when they pop up to catch a few seconds of air before their next dive. Photographer: Na Pali Riders Raft Tours

Green sea turtles can hold their breath underwater for hours.  They are noticed at the surface of the water when they pop up to catch a few seconds of air before their next dive. Location: Napali Coast Na Pali Riders Raft Tours Photographer: Na Pali Riders Raft Tours

The green sea turtle is one of the largest hard-shell sea turtle species in the world.  They’re born only two inches long, but may grow up to five feet and weigh up to 400 pounds. Location: Napali Coast Photographer: Na Pali Riders Raft Tours

In addition to stunning coral reefs and crystal-clear waters, Hawaii is home to the green sea turtle, one of nature’s most magnificent creatures.  These animals are named for the layer of green fat beneath their shell. Photographer: Na Pali Riders Raft Tours