Family

Lovers Key is four barrier islands with a back-bay estuary that reliably holds manatees and bottlenose dolphins, both visible from the water and often from the bridge. The five-mile mangrove paddling trail is protected and shallow, and the tunnels are the kind of thing children remember. The beach is a walk from the parking areas - roughly a thousand feet over the mid-beach bridge - which keeps it quieter than the drive-up beaches nearby, but it also means carrying everything, so pack light with small children. The park took storm surge from Ian in 2022 and Milton in 2024 and services have not all come back the same: the tram is gone for good, and on-site rentals have changed hands. Bring your own boat, or ring ahead.

Magens Bay is a deep horseshoe with headlands on both sides, which blocks the swell almost entirely and leaves a mile of flat, warm, shallow water. For toddlers and nervous swimmers there is nothing better in the territory. The trade-off is that a sheltered sandy bay is not a snorkelling bay - there is little to see underwater compared with Coki or Maho. Facilities are full: restrooms, showers, a snack bar, chair and kayak rental, and shade under the sea grape trees. It is a major cruise excursion, so port days transform it; check the schedule.

Maho is the turtle beach. Seagrass beds start almost immediately offshore and green turtles feed on them daily, often within twenty or thirty feet of the sand in water barely deep enough to swim. Spotted eagle rays cruise through regularly too. Because the bay is protected and the water is flat and shallow, this is the most accessible wildlife snorkel in the territory - a cautious child in a mask can see turtles without ever being out of their depth. The road runs right along the beach so access is trivial. Keep the required distance from turtles and never chase or touch them.

Mosquito Bay holds the record for the brightest bioluminescence measured anywhere, and the difference from the mainland bays is obvious the moment you are on it: the water does not just sparkle, it lights up enough to see by, and fish moving beneath the boat draw glowing wakes. Swimming is prohibited in order to protect the organisms, so this is a paddle-only experience. Getting there means the Vieques ferry from Ceiba or a short flight, which turns the bay into a two-day trip rather than an evening. Tours are new-moon dependent. Book both the ferry and the tour well ahead.

Myakka has two things nowhere else in the state park system has. The first is a canopy walkway - a suspension bridge strung eighty-five feet up through oak and palm, with a tower above it that puts you over the treetops. The second is the lake, shallow and full of alligators, crossed by large flat-bottomed airboats that run as narrated tours. Around them are 37,000 acres of prairie and hammock, a birdwalk out over the marsh, kayak rentals and a campground. The weir at the lake outflow is a reliable spot to see a dozen alligators at once in the dry season.

A staircase of waterfall-fed pools dropping through the Kipahulu district of Haleakala National Park all the way to the sea. Swimming in the pools is prohibited - flash flooding funnels down this gulch with almost no warning and a rockslide closed the pools outright - so treat this as a viewpoint, not a swim stop. The half-mile Kuloa Point Trail loops from the visitor center out over the pools and the ocean cliffs, and the four-mile round-trip Pipiwai Trail climbs past a bamboo forest to 400-foot Waimoku Falls. It is the far end of the Road to Hana, so budget the drive.

The Camuy river carved one of the biggest cave networks on the planet, and the park tour takes you into it comfortably: a trolley runs down through a sinkhole into Cueva Clara, a chamber some 170 feet high with formations lit along a paved walkway, and a guide explains the geology and the Taíno petroglyphs. The river itself is visible far below. The whole visit runs about ninety minutes and is easy walking. The park has closed for extended periods after hurricanes and earthquakes and has reopened in stages with partial tours, so confirming it is open before driving out is not optional.

Cueva Ventana is exactly one image: a cave mouth shaped like a window in the side of a limestone cliff, opening onto a green river valley several hundred feet below. Getting there means a guided walk of about twenty minutes through a section of cave that holds a substantial bat colony, with helmets and torches provided. The floor is uneven and slippery in places, which sets a realistic minimum around six. Guides explain the Taíno history and the geology on the way. It is genuinely worth the entry fee, and it takes about ninety minutes in total, so it combines well with the Camuy caves nearby.

Peanut Island is a spoil island in the Lake Worth Inlet reachable only by a short water taxi, which is half the fun for kids. On the north side a rock breakwater encloses a shallow snorkelling lagoon where the water flushes clean with the tide and holds a surprising amount of fish for somewhere this close to a city. The lagoon runs from about two to ten feet and is best near high tide. Onshore there is a twenty-site tent campground, a loop path and picnic pavilions. The concrete bunker built as a fallout shelter for President Kennedy when he wintered in Palm Beach is still on the island but is closed to visitors until further notice, so do not plan the trip around it. Bring everything; there are restrooms and very little else.

Piñones is a stretch of undeveloped coast just east of San Juan where a paved bike path and long wooden boardwalk run between the mangroves and the sea. Renting bikes and riding it is a genuinely good family morning - flat, shaded in stretches, with beaches and lookouts to stop at. The other half of Piñones is the food: a line of open-air kiosks cooking alcapurrias, bacalaítos and pinchos over charcoal, which is the best casual eating near San Juan and a real part of the island’s Afro-Puerto Rican culture. The Atlantic here has strong currents; swim only where locals are swimming.

Buyé is small, sheltered and shallow, with coconut palms growing close enough to the sand to give real shade, which is rarer than it should be. The water is clear and stays waist-deep a long way out with very little wave action, so it is a genuinely relaxing beach with toddlers. Local families use it heavily at weekends and there is a modest food kiosk scene; midweek it can be almost empty. Facilities are limited. It pairs naturally with Playa Sucia and the Cabo Rojo salt flats for a day on the south-west corner of the island.

Jobos splits neatly in two, which is why it works for a family with mixed ages. The western end has the surf break that made Isabela a surfing town, with schools running beginner lessons through the calmer months. The eastern end is protected by a limestone shelf that creates shallow pools and calm water where small children can potter about safely while everyone else is in the waves. Above the beach the rock is undercut into arches and a blowhole. Food kiosks and surf shops line the road behind. Winter brings serious swell that closes the whole bay to casual swimming.

Playa Sucia sits at the very corner of Puerto Rico, a crescent of pale sand enclosed by cliffs, with water that is usually calm and remarkably clear. The name means dirty beach and refers to seaweed that drifts in on some winds, not to the water. Above it a short uphill walk on exposed limestone leads to the Los Morrillos lighthouse and cliff edges that drop straight to the sea - spectacular, and completely unfenced, so young children need holding. Nearby are the pink salt flats of the Cabo Rojo salinas and a birding boardwalk. Bring everything; there are no facilities.

Puerto Rico is the easiest Caribbean trip an American family can take and the one most people plan badly. It is a domestic flight with no passport, dollars, and your normal phone plan — and then people book San Juan for a week and see a fort. This is four days built around the one thing you cannot reschedule: the bioluminescent bay. Plan the trip around the moon, not the weather The bio bays work by dinoflagellates flashing when the water is disturbed, and what kills the effect is not cloud or rain — it is moonlight. Tours run around the new moon and are thin to useless near a full one. Some operators will not run at all. ...

Rainbow Springs pushes out hundreds of millions of gallons a day into a swimming area that is unusually forgiving for small children: a gradual sandy entry, roped shallows, and clear water that rarely drops below 72 degrees. The old garden paths above the spring lead past man-made waterfalls built when this was a private roadside attraction. Tube and kayak rentals run from a separate entrance downriver, and the paddle up the Rainbow River is calm enough for a first-time family trip. Weekends fill by late morning in summer.

Red Reef put limestone boulders in shallow water close to shore, and the result is a reef you can swim to in under a minute with fish life that punches well above the depth - angelfish, parrotfish, snapper and often a green sea turtle grazing. Because it is only a few feet deep it suits swimmers who are competent but not strong, and you can stand between looks. There are two reef sections, north and south of the lifeguard stands. The Gumbo Limbo Nature Center is across the road and runs a sea turtle rehabilitation facility worth pairing with the swim.

The Anhinga Trail is the single best half mile of wildlife watching in Florida and it takes under an hour with a stroller. The boardwalk runs over Taylor Slough, a permanent water hole that in the dry season becomes the only water for miles - so alligators stack up in it, anhingas dry their wings on the rails, herons stalk the edges and soft-shell turtles cruise underneath. Everything is visible from a safe boardwalk at close range, which makes it work for toddlers who cannot walk far. Vultures are known for damaging car rubber in the lot; the park supplies tarps.

Sapphire combines things that usually do not come together: a genuinely good reef within easy swimming distance at Pettyklip Point, and a broad shallow sandy stretch in the middle where small children can play safely. The snorkelling holds turtles, rays and reef fish. Trade winds funnel through here, which is why windsurfers and kiteboarders use it and why afternoons get choppy - mornings are noticeably calmer. There is a beach bar, watersports rentals and a marina alongside. Public access is via the resort, which is legal and normal in the USVI, where all beaches are public.

The inlet concentrates fish moving between the Indian River Lagoon and the Atlantic, which makes the north jetty the busiest and most productive shore fishing platform in the state - snook, redfish, tarpon and Spanish mackerel all run through here. It is a real walkway with railings rather than a scramble, so children can fish it safely. On the lagoon side there is a protected shallow beach for swimming. The north side has the best surf break on the Florida east coast. Two small museums sit within the park - the McLarty Treasure Museum on the 1715 Spanish fleet wrecked off this coast, and the Sebastian Fishing Museum. A bait and tackle shop opens daily except Wednesdays. Note that bridge construction on the highway began in 2026 and can affect the campground entrance and reservations, so confirm before booking a site.

Shark Valley is the most reliable alligator viewing in Florida and the least effort required to get it: a flat paved loop where the animals sun themselves directly beside and sometimes on the path, close enough that the rangers spend their day telling people to back up. You can ride it - bike rentals are at the entrance, and fifteen miles is a lot for a small child, so consider riding partway out and back. The tram does the full loop with a narrating guide in two hours. At the halfway point a concrete observation tower gives a view over sawgrass to the horizon. Dry season concentrates wildlife at the remaining water.