North of Port St Lucie near Melbourne Beach, the snorkeling at Sebastian Inlet State Park offers plenty of marine life. White there is a small, sheltered cove for beginners, only experienced snorkelers should enter the main rocky Sebastian Inlet where the current can be strong. If you plan to snorkel Sebastian Inlet, enter the water from the rocky shore up current of the tide direction and float with the tidal current. This is best if the tide is coming in so you don't get pull out into the ocean. Families and beginners enjoy the shallow lagoon that is protected by rocks. Advanced snorkelers enjoy the gap in the rocks near the jetty that goes to 25 feet deep, but use caution since there is strong current in the inlet waters. While snorkeling at Sebastian Inlet State Park, keep an eye out for manatees.
The best time of year for snorkeling at Sebastian Inlet State Park is during the summer months when the clarity is at its best. To reach the snorkeling in southeast Florida by air, there are several options. The most popular option is to fly into Miami International Airport (MIA), which is served by all major US and international airlines. Also nearby, a potentially lower cost option is to fly into Ft Lauderdale airport (FLL). From either of these airports, you can rent a car to drive to the dive site, but watch out for automated cash-less toll highways along the way.
Note: All divers and snorkelers must be within 100 feet of a dive flag.
Overall, Sebastian Inlet State Park is the 3rd most popular snorkel dive spot of all 24 snorkeling dives in Florida Southeast.