Best Beaches in the Florida Keys to Swim

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The best beaches in the Florida Keys run from a free roadside stop to an $8-a-carload state park. Anne’s Beach in Islamorada is the pick for young kids and shallow water. Sombrero Beach in Marathon is the pick for a free afternoon with real amenities. That is per the City of Marathon’s own park page.

I grew up in South Florida. Salt air and afternoon storms shape how you plan any day on the water there. I have snorkeled and scuba dived at John Pennekamp Coral Reef State Park more times than I can count. That habit of checking the wind and the tide applies just as much to a beach day as it does to a dive trip. I never plan a Keys beach day around a single stop.

Best Beaches in the Florida Keys

Beach	What to know
Anne’s Beach	Islamorada, MM 73.5, free, sunrise to sunset, per the Village of Islamorada
Sombrero Beach	Marathon, free, 7 a.m. to dusk, per the City of Marathon
Bahia Honda State Park	Big Pine Key, $8 per vehicle, per Florida State Parks
Fort Zachary Taylor	Key West, $6 per vehicle, per Florida State Parks

Best Public Beaches in the Florida Keys

Two of these four beaches charge nothing at all. Anne’s Beach and Sombrero Beach are both free public beaches, run by local government instead of the state park system. The other two charge a vehicle fee at the gate. Bahia Honda State Park costs $8 per vehicle, per Florida State Parks’ current fee page. Fort Zachary Taylor costs $6 per vehicle, also per Florida State Parks. So if you visit both paid parks in one trip, the vehicle fee total comes to $14. That fee covers everyone riding in the car, not each person separately. A day that mixes one free beach with one paid park still costs $6 to $8 total, which keeps the math simple for planning a multi-stop day.

Beach	Fee structure	Vehicle fee
Anne’s Beach	Free, per the Village of Islamorada	$0.00
Sombrero Beach	Free, per the City of Marathon	$0.00
Bahia Honda State Park	Day-use fee, per Florida State Parks	$8.00
Fort Zachary Taylor	Day-use fee, per Florida State Parks	$6.00
All four beaches, one trip	$8.00 + $6.00, the two free stops add nothing	$14.00

Best Swimming Beaches in the Florida Keys

Start with the thing that surprises everybody who drives down here expecting Clearwater. There is very little beach in the Florida Keys, and the reason is the reef.

A healthy coral reef absorbs up to 97 percent of a wave’s energy before it reaches the shore, per NOAA. During Hurricane Helene in 2024, Eastern Dry Rocks alone took more than 90 percent of the wave energy that would otherwise have hit Key West, per Keys Weekly’s reporting on NOAA’s reef work. Duke oceanographer Jim Hench, quoted in the same piece, puts it plainly: without the reef, much of the Keys would take the full brunt of the ocean swell.

That is wonderful for the islands and terrible for sand, because waves are what build a beach. Add a shoreline that is mostly limestone and mangrove, per the carbonate-geology write-up at GeoExpro, and you get an island chain where a real sandy beach is the exception. Bahia Honda is the exception everybody names.

So the honest ranking for actually swimming, as opposed to standing in ankle-deep water holding a drink, goes like this. Bahia Honda first, for real sand on two sides and water you can get into. Sombrero Beach second, because it is free, it is clean and it has restrooms and showers. Fort Zachary Taylor third, deeper than it looks and rocky underfoot. Higgs and Smathers in Key West if you are already there without a car. Anne’s Beach and Founders Park if you have a toddler, because toddlers do not want depth.

Is it safe to swim at Florida Keys beaches?

Mostly, and with three things worth knowing before you get in.

The first is that nobody is watching. Across every official city, county and state park page for Keys beaches, not one lists a lifeguard on duty. Anne’s Beach posts “swim at your own risk” in as many words, and the rest simply say nothing. If you are used to a Florida beach with a stand and a flag, this is a real change and it matters most with children.

The second is current. The beaches themselves are shallow with mild current, but the cuts between islands are not. Florida State Parks warns in its own words that the currents in the Bahia Honda Channel “can be very swift” and tells visitors to stay away from it while swimming. Water that looks flat can be moving hard where it squeezes between two islands.

The third is what is in the water with you, which gets its own two sections below.

Stingrays in the Florida Keys

Shuffle your feet. That is the whole technique, and the Florida Department of Health says it in those words: shuffle as you wade in sandy or murky water. A ray buried in the sand will move off if it feels you coming, and will defend itself if you step on it flat.

Young rays are the ones that get people, because they have not learned to avoid us yet. If someone does get hit, the Department of Health notes that the symptoms can show up 6 to 48 hours later, not just at the beach, so a sting is a doctor’s visit rather than a towel and a shrug.

Jellyfish in the Florida Keys

The one to know is the Portuguese man o’ war, and it has a season. Strong easterly winds push them close to shore predominantly from November through April, per CBS News Miami. The tentacles average about 30 feet, which is why people get stung without ever seeing the animal.

A purple flag on a Florida beach means stinging wildlife is present. Vinegar is the rinse, a towel or stick is how you lift tentacles off, and salt water is what you flush with. Fresh water makes it worse. And a man o’ war washed up on the sand still stings, so keep children away from the ones that look dead.

Higgs Beach Key West

The Key West beach you can reach without a car, and the one with the pier. Higgs sits in a 16.5-acre county park on the Atlantic side, with the 400-foot Reynolds Street Pier running out over the water, per Monroe County. Volleyball, a dog park, a café and rentals for chairs, kayaks and paddleboards are all on site.

The two official pages disagree on hours, which is worth knowing rather than guessing: the county lists 7:30 a.m. to sunset for the beach and pier, while the city lists longer hours for the park around it. Neither charges admission and neither mentions a lifeguard.

Smathers Beach Key West

The biggest public beach on the island, about half a mile of it along South Roosevelt Boulevard, and it takes about 150,000 visitors a year, per the City of Key West. Sunrise to sunset; restrooms open 7 a.m. to 6:30 p.m.

The catch is parking. The meters run $5 an hour, Monday to Saturday from 8 a.m. to midnight and Sunday from noon, and there is no overnight parking, per the city. A lazy four-hour afternoon is therefore $20 before you have bought a drink. Walk or bike if your hotel is anywhere near Old Town.

Harry Harris Park Key Largo

The upper-Keys swimming spot that is not a state park. Monroe County runs it, it has a protected beach and swimming area, and it is open to everyone, not residents only.

The fee structure is the thing to get right. Admission is charged to non-Monroe-County residents, at $15 a vehicle, per Monroe County. The boat ramp is separate and steeper: $40 on weekends and $60 on holidays for non-residents. Open sunrise to half an hour after sunset. If you are staying in Key Largo and want somewhere calm for kids that is not Pennekamp, this is it.

Long Key State Park

Quieter than anything else on this list, and cheap. Entry is $4.50 for a single visitor, $6 for two or more plus 50 cents a head after that, and $2.50 on foot or by bike, per Florida State Parks. Open 8 a.m. to sunset.

Long Key is a shallow, grassy, wade-in kind of shoreline rather than a swimming beach, which is exactly why some people prefer it. Call ahead before you build a day around it, because the storm history down here means park facilities come and go.

Anne’s Beach Islamorada

Anne’s Beach sits at mile marker 73.5 in Islamorada, on the oceanside of the Overseas Highway. It reopened in 2019 after a full rebuild following Hurricane Irma, per the Village of Islamorada. A 300-foot boardwalk connects several covered pavilions to a paved parking area. Hours run sunrise to sunset, so there is no set closing time to plan around. The water stays shallow well offshore, which makes it a strong pick for families with young kids. Leashed dogs are welcome, but motorboats, personal watercraft, fishing and open flames are not permitted here. Skip bringing a grill, since the rules apply to the whole beach, not just the pavilions.

Does Sombrero Beach cost money?

Sombrero Beach in Marathon charges nothing to park or swim. That is per the City of Marathon’s official page. Hours run 7 a.m. to dusk, seven days a week. The park has picnic pavilions, playgrounds, volleyball courts, restrooms and showers, all on a fully accessible layout, per the city. RV and bus parking are not available here, so plan a standard vehicle for the visit. From April through October, part of the beach closes for loggerhead turtle nesting. The city notes that closure typically affects less than 10% of the sand.

Bahia Honda State Park

Bahia Honda sits on Big Pine Key, roughly midway down the island chain. The $8 vehicle fee, per Florida State Parks, gets you into a park with sandy beaches on both the Atlantic and Gulf sides. Shade is limited on the open sand. So the park itself recommends bringing an umbrella or renting one from the concessionaire. Arrive early, because the small parking lot can fill on clear weekends and holidays. Pack your own shade and water too, since the concessionaire stock can run low on the busiest days.

Fort Zachary Taylor Beach Key West

Fort Zachary Taylor sits at the southern tip of Key West, inside a historic fort park. Entry is $6 a vehicle for up to eight people, plus the 50-cent county surcharge, or $4.50 for a single-occupant car and $2.50 on foot, per Florida State Parks. The park runs 8 a.m. to sundown year-round, though the fort itself shuts at 5.

Now the part that ruins people’s afternoons. This is a coral beach, not a sand one. The park says so itself and sells water shoes in the gift shop because of it. Walk in barefoot and you will spend the swim picking your way over rock, which is why half the people at the waterline are shuffling around like they are crossing gravel. Bring reef shoes and it becomes the best swim in Key West.

Chairs, umbrellas, snorkel gear and bicycles rent from the chickee hut by the beach. Snorkelers get more out of it than sunbathers do, but with shoes on your feet it works for a mixed group.

Bahia Honda State Park or Sombrero Beach

Pick one free stop and one paid stop instead of trying to see everything. For example, pair Sombrero Beach in the morning with Bahia Honda in the afternoon, since both sit roughly in the middle of the island chain. Pack a cooler and extra sunscreen before you leave, because shade and shop options are limited at several of these beaches. Also bring cash or a card for the paid parks, since gate payment methods can vary by location and season.

Best Beaches in the Florida Keys Map

Skip trying to visit all four beaches in a single day. The drive down the Overseas Highway takes real time between stops. Rushing means less time in the water at each one. Visiting Bahia Honda on a packed holiday weekend without an early start is also worth skipping, since the small lot fills fast. Renting watercraft to launch from Anne’s Beach is off the table too, since motorboats and personal watercraft are banned there. Instead, pick two beaches that fit your trip’s pace and give each one a real afternoon.

Best Time to Visit Florida Keys

Winter and early spring bring the driest weather and the most comfortable temperatures for a full beach day. Summer afternoons often bring fast-moving storms, a pattern common across South Florida. So plan swimming for the morning, and save errands for later in the day. Hurricane season runs June through November. Check the forecast before a Keys trip planned in those months. Sombrero Beach’s turtle nesting closures run April through October. They are worth checking too, if you want the full stretch of sand. Water temperatures also stay warm enough to swim nearly year-round, so cold water is rarely the deciding factor on a Keys trip. Wind, rain and crowds usually matter more than water temperature when you are picking a date.

Best Florida Keys Beaches

I have spent enough afternoons on the water in the Florida Keys to know a rushed beach day beats staying home. A planned one beats both. Sombrero Beach is the easiest first stop, since it is free and close to the middle of the island chain. Anne’s Beach works best if young kids are along for the shallow water. Save Bahia Honda and Fort Zachary Taylor for a day when you can arrive early and stay through the afternoon. For the drive down, see our Miami to Key West road trip itinerary. Then pair a beach day with our guide to John Pennekamp snorkeling costs, if reef time is part of the plan too.

Frequently asked questions about best beaches in the Florida Keys

What are the best free beaches in the Florida Keys?

Anne’s Beach in Islamorada and Sombrero Beach in Marathon are both free public beaches with no vehicle fee, run by local government rather than the state park system.

How much does it cost to get into Bahia Honda State Park?

Bahia Honda charges $8 per vehicle for day use, per Florida State Parks’ current fee page, and that fee covers everyone riding in the car. That is $2 more than the $6 vehicle fee at Fort Zachary Taylor in Key West, the other paid stop on this list, and it buys access to sandy beaches on both the Atlantic and Gulf sides of Big Pine Key. The small lot fills fast on holiday weekends, so an early start pays off.

What are the best beaches in the Florida Keys for families?

Anne’s Beach in Islamorada has shallow water well offshore, a boardwalk and covered pavilions, which makes it an easier pick for families with young kids than the deeper water at other stops.

What are the best beaches for snorkeling in the Florida Keys?

Fort Zachary Taylor in Key West has a rocky and sand shoreline that draws snorkelers, and rents snorkel gear on site, per Florida State Parks.

Are the Florida Keys dog friendly?

Leashed dogs are welcome at Anne’s Beach, per the Village of Islamorada. Check each park’s own rules before bringing a dog, since policies vary by location.

What is the best time of year to visit the Florida Keys?

Hurricane season runs June through November, so check the forecast before you book; winter and early spring bring drier weather and steadier conditions for a beach-focused trip.

Prices are approximate, current as of publication, and change frequently — confirm the latest price with the park, operator or provider before you go.

Updated September 23, 2026.