Sea Turtle Nesting Season Sea turtle nesting season in Florida is from March through October, with peak activity between May and July. The majority of nesting occurs in Florida, accounting for almost 90% of the U.S.’s sea turtle nesting. It begins when the massive females (they can weigh up to 400 pounds) lumber through the sand to lay their eggs. After two months of incubation, it’s time to hatch! Itty-bitty...