Most Florida beaches are soft, flat and sandy. Blowing Rocks Preserve is something else entirely. On Jupiter Island, about 40 minutes south of Port St. Lucie, a long shelf of Anastasia limestone lines the shore. When waves hit at the right moment, seawater is forced up through holes in the rock and bursts into the air in spectacular plumes — that’s how the preserve got its name.
When to Go for the Best Show
The famous “blowing” happens best at high tide when the sea is rough, especially with a strong east wind or after a winter storm. On calm days the rocks are still beautiful, with tide pools, sculpted caves and arches to explore. Check a tide chart before you leave and aim to arrive an hour or so before high tide.
What You’ll Find There
- A rugged limestone shoreline unlike anywhere else on Florida’s Atlantic coast
- Tide pools to explore at low tide
- A short trail on the lagoon side through native coastal plants
- A small education center run by The Nature Conservancy, which protects the preserve
Tips for Visiting
- Parking is limited, so arrive early, especially on winter weekends
- There is a small admission fee per person
- Wear sturdy water shoes — the limestone is sharp and slippery
- Swimming is not recommended near the rocks when the surf is up
- Sea turtles nest here in summer, so follow posted guidance
Make It a Jupiter Day Trip
Pair Blowing Rocks with a visit to the Jupiter Inlet Lighthouse, lunch on the Jupiter waterfront, or a few hours at a nearby beach park. On the way back, the drive along Jupiter Island and through Hobe Sound is lovely, with lush coastal hammocks and glimpses of the Intracoastal.
Blowing Rocks is one of our favourite “wow” outings for guests. Explore more Treasure Coast beaches, then choose your home base in Port St. Lucie.