Twenty miles of Atlantic sand — pick your scene, from party strip to barefoot quiet.
South Beach, 5th–15th
The famous lifeguard towers and the people-watching Olympics.
Mid-Beach boardwalk
Quieter sand behind the grand hotels — walk it at sunrise.
Crandon Park
Key Biscayne's calm, shallow, family side with skyline views.
Haulover sandbar
Boaters raft up on weekends — the floating party you paddle to.
Bill Baggs lighthouse
The state park beach at the island's tip: dunes, pines, history.