Written by: Alyssa Updated: January 08, 2026 This guide covers the best family activities for summer in Destin, including beach days at Henderson Beach State Park, water parks like Big Kahuna’s, wildlife encounters with dolphins and gators, HarborWalk entertainment, and more. It also includes insider tips for beating the heat and crowds during peak season. Planning a summer vacation with your family in Destin? Great choice! Known as...