Florida
The Upper and Middle Florida Keys pack the best of the island chain into a drive of about an hour and a half: the first underwater state park in America at Key Largo, the bronze Christ of the Abyss standing on a reef, Islamorada's tarpon docks and sandbars, Marathon's Turtle Hospital and Dolphin Research Center, and the Seven Mile Bridge running across open water.
Mile markers replace street addresses, sunsets are a daily event and the real attraction is the water, from glass-bottom boats and reef snorkel trips to mangrove kayaking and wreck dives. Key West sits at the far end of the road and has its own guide; this market covers the stretch from Key Largo to Marathon, with reef trips, wildlife stops, history, sunset cruises and hotels from marina resorts to quiet garden retreats.
John Pennekamp Coral Reef State Park
The first underwater state park in the United States, protecting a long stretch of living coral reef, seagrass and mangrove shoreline just off Key Largo, with a visitor center aquarium, beaches, trails and boat trips to the reef.
Christ of the Abyss Statue Snorkel and Dive Trip
A boat trip to the nine-foot bronze statue of Christ standing in shallow water on Key Largo Dry Rocks, one of the most photographed underwater sights in the Americas and an easy dive or snorkel for most skill levels.
Theater of the Sea
One of the oldest marine-life parks in the world, set in a flooded railroad quarry in Islamorada, with sea lion shows, stingray and shark encounters, a glass-bottom boat ride and optional dolphin swim programs.
Islamorada Snorkel and Sandbar Combo Tour
A shared boat trip that combines a reef snorkel with time on a shallow sandbar, where you can wade in knee-deep turquoise water far from shore.
Hand-picked: every experience here has strong traveler reviews and a verified booking link.
The first underwater state park in the United States, protecting a long stretch of living coral reef, seagrass and mangrove shoreline just off Key Largo, with a visitor center aquarium, beaches, trails and boat trips to the reef.
A boat trip to the nine-foot bronze statue of Christ standing in shallow water on Key Largo Dry Rocks, one of the most photographed underwater sights in the Americas and an easy dive or snorkel for most skill levels.
A half-day boat trip to two Key Largo reef sites with all snorkel gear included, aimed at first-timers, families and anyone who wants the Keys coral without needing a dive certification.
A dry way to see the Keys reef: a boat with underwater viewing windows glides over coral and fish, ideal for small children, grandparents and anyone who does not want to swim.
A deep dive on a 510-foot Navy ship intentionally sunk off Key Largo in 2002, one of the largest artificial reefs in the world and a bucket-list site for experienced divers.
A guided paddle through the shaded mangrove tunnels and shallow backcountry of Key Largo, where herons, rays, small sharks and sometimes manatees move through calm water that stays smooth even when the ocean is rough.
A relaxed shared sunset cruise on a floating tiki boat, with a canopy overhead, music, a cooler of drinks and the bay turning orange as the sun drops behind the mangroves.
A small-boat evening trip on Florida Bay that combines wild dolphin spotting with golden-hour views, a good pick for travelers who want wildlife and a sunset in one outing.
One of the oldest marine-life parks in the world, set in a flooded railroad quarry in Islamorada, with sea lion shows, stingray and shark encounters, a glass-bottom boat ride and optional dolphin swim programs.
A bayside marina where you can hand-feed giant tarpon from the dock, rent kayaks, join boat trips to the nearby state parks and browse a market of local crafts and snacks.
A former railroad quarry where cut walls reveal fossilized brain coral from an ancient reef, with trails, a small museum in a historic building and ranger-led tours.
A compact museum in Islamorada that tells the story of underwater exploration through antique hard-hat helmets, diving suits, treasure artifacts and tools collected from around the world.
Hotels we would book ourselves, from splurges to good-value bases.
Central Key Largo (Bayside/Oceanside, around mile marker 97)
A waterfront Curio Collection resort in central Key Largo with a marina, pools, a spa and easy access to Pennekamp reef trips.
Check rates →Oceanside Key Largo (around mile marker 97)
An oceanside boutique resort in Key Largo with a private-feeling beach, pools, a marina and a spa.
Check rates →North Key Largo (Bayside, around mile marker 103)
A bayside resort and marina in northern Key Largo, formerly a Marriott beach resort, with pools, a beach area and sunset views.
Check rates →Key Largo (along the Overseas Highway)
A dependable mid-priced Marriott hotel in Key Largo with a pool, an on-site restaurant and easy access to reef trips and dive shops.
Check rates →Islamorada (Atlantic side, Upper Matecumbe Key)
A landmark oceanfront resort in Islamorada with a long beach, pools, a spa, fishing heritage and easy access to the sandbar and reef.
Check rates →Islamorada (Atlantic side, around mile marker 84)
A lively, casual beach resort and marina in Islamorada, well known for its tiki bars, sandy shoreline and easy access to fishing and boat trips.
Check rates →Key Largo (Bayside, around mile marker 97)
A small, tropical boutique resort in Key Largo with garden grounds, a pool, a gallery and a quiet, personal feel.
Check rates →Duck Key (near Marathon, around mile marker 61)
A large family resort on Duck Key near Marathon, with a saltwater lagoon, multiple pools, a marina, a spa and a dolphin program.
Check rates →Marathon (Atlantic side, around mile marker 48)
An oceanfront Marathon resort of colorful beach houses with a long sandy shoreline, pools and a relaxed, homelike feel.
Check rates →How to plan a first trip to the Upper and Middle Keys: driving the Overseas Highway, mile markers, where to base yourself, what to do first and the mistakes that cost time.
A realistic three-day plan from Key Largo through Islamorada to Marathon, balancing reef trips, wildlife, history and sunsets without too much driving.
How seasons shape the Upper and Middle Keys: water temperature, wind, crowds, hurricane season, wildlife and what each time of year is best for.
Where to snorkel and dive between Key Largo and Marathon, from Christ of the Abyss to the Spiegel Grove and Sombrero Reef, with tips on gear, conditions and protecting the reef.
How to plan the Upper and Middle Keys with children: gentle water trips, wildlife stops, beaches and pools, heat management and rainy-day backups.
What to eat and drink between Key Largo and Marathon: local seafood, seasonal stone crab and lobster, key lime pie, fish houses, waterfront bars and how to choose well.
