Sea Turtle Facts

What to expect on your first Oahu turtle snorkeling tour, hour by hour: hotel pickup, the cruise, snorkeling with honu at Turtle Canyon, a snack, and hula on the way back.

How many sea turtles are left? There is no exact count, but 2026 data shows a mixed picture: green turtles recovering while hawksbills and Kemp's ridleys stay critically endangered.

How old is that sea turtle? You cannot count rings on the shell. Scientists read growth rings in the bones instead. Here is how a honu's age is really measured.

Archelon was the largest sea turtle that ever lived, a Cretaceous giant up to 15 feet long. Here is how big it was, what it ate, and how it compares to today's turtles.

Turtle Canyon vs Hanauma Bay for snorkeling with turtles on Oahu: reliability, crowds, cost, and reservations compared honestly. Here is which one to pick.

Turtle snorkeling on Oahu with kids: ages, safety, what is included, and tips for families. Calm water, all gear, and free Waikiki hotel pickup make it easy.