Tourists always mob Destin beaches over spring break. Key West is more remote, making it a more enticing choice. The key to getting the most out of this trip is to fly your family into Miami early in the day. Then, take the Overseas Highway for one of the most scenic oceanside drives of your life!
Once you get to Key West, visit the Southernmost Point of the Continental United States, tour the Truman Little White House, and then enjoy the Key West Butterfly and Nature Conservatory.
The Fort Zachary Taylor Historic State Park is also great spot to explore for a day. You can relax on the beach and tour Fort Taylor. They also rent out snorkels, fins, and masks so that tourists can search the seaside for animal life. For food and shopping, take a stroll down the famous Duval Street.
Finally, designate a day to enjoy the Bahia Honda State Park Beaches on Big Pine Key! This gorgeous locale is less than 45 minutes away from Key West, and it's well worth the drive.