Safari Ltd Life Cycle of a Green Sea TurtleSafari Ltd Life Cycle of a Green Sea Turtle Green sea turtle eggs are buried in clutches of 75 200. After two months, the hatchlings make a mad dash for water, where they ll spend the rest of their lives. Green sea turtles don t reach adulthood for 10 years or more, but they can live up to 100 years. Characteristics: Green sea turtles get their name not from their shells, but from their subdermal body fat. Unlike many other turtles, they cannot