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Overview
The Florida Keys is an island archipelago stretching roughly 125 miles southwest from the southern tip of the Florida peninsula into the Gulf of Mexico and the Atlantic Ocean. It comprises around 1,700 islands, of which a handful are connected by the Overseas Highway (US-1), a landmark road that hops across 42 bridges — including the famous Seven Mile Bridge — to reach the southernmost incorporated city in the continental United States, Key West.
The Keys are loosely divided into the Upper, Middle, and Lower Keys. Islamorada, known as the "Sport Fishing Capital of the World," anchors the Upper Keys. Marathon sits roughly at the midpoint and serves as a practical base for families. Big Pine Key is home to the diminutive Key deer and the protected backcountry of the National Key Deer Refuge. Key West, at the far end, is by far the most visited and commercially developed island.
The ecosystem here is ecologically significant. The Florida Reef — the only living barrier reef in the continental United States — runs parallel to the Keys and is part of the Florida Keys National Marine Sanctuary. This brings both opportunity (world-class snorkeling and diving) and responsibility (strict environmental regulations apply on and around the reef).
The overall pace of life is noticeably slower than mainland Florida. Locals refer to this mindset as "Keys disease" — a half-joking term for the tendency to relax ambitions and stay longer than planned. Visitors often find the combination of warm water, steady breezes, and low-rise, colorful architecture genuinely restorative.
Before You Go
Visas and Entry
The Florida Keys are part of the United States. Entry requirements depend entirely on your nationality and travel history. Check TravelerPulse's Visas section for general guidance and consult the official U.S. Customs and Border Protection website or your nearest U.S. embassy or consulate for current requirements.
Hurricane Season
The Atlantic hurricane season runs from June 1 through November 30, with the peak period generally in August and September. The Keys sit in a historically active hurricane corridor. If you travel during this period, monitor the National Hurricane Center (nhc.noaa.gov) and be prepared to evacuate on short notice along US-1. Mandatory evacuations are taken seriously and should not be ignored.
Health and Sun Safety
The subtropical sun is intense year-round. Reef-safe, mineral-based sunscreen is strongly encouraged (and in some areas required near the reef), as chemical UV filters — particularly oxybenzone — are harmful to coral. Bring insect repellent; mosquitoes and no-see-ums can be significant, especially in wooded areas and near mangroves at dawn and dusk.
What to Pack
- Lightweight, breathable clothing and a light layer for air-conditioned restaurants
- Water shoes or sandals suitable for boat boarding
- Reef-safe sunscreen
- Reusable water bottle — staying hydrated in the heat is important
- Cash for smaller vendors and charter tips, as not all accept cards
Getting There
By Air
The Keys are served by two small airports. Key West International Airport (EYW) offers direct flights from several U.S. cities; verify current routes with your preferred airline. The Florida Keys Marathon Airport (MTH) handles charter and small regional traffic. Most travelers flying into the region use Miami International Airport (MIA) or Fort Lauderdale-Hollywood International Airport (FLL) and then drive south.
By Car
Driving is by far the most common way to reach the Keys. From Miami, the drive to Key Largo (the first major island) is roughly one to one-and-a-half hours depending on traffic, and to Key West approximately three to three-and-a-half hours under normal conditions. US-1 (the Overseas Highway) is the only road in and out of the Keys. Traffic can be severe on Friday afternoons heading south and Sunday afternoons heading north, particularly during peak season and holiday weekends.
By Bus
Greyhound and some regional carriers serve the route between Miami and Key West with stops along the way. Check current schedules directly with the operator before your trip, as services and stop locations can change.
By Boat
Private boat entry is possible through the many marinas along the Keys. There is no regular passenger ferry service between the mainland and the Keys at the time of writing; verify locally if seasonal services have been introduced.
Getting Around
Car Rental
A personal vehicle or rental car is the most practical way to move between islands. Most rental agencies are available in Key West and at the gateway airports. Book well in advance during high season, as inventory can be limited. Speed limits along US-1 vary by section; many stretches pass through residential communities with strictly enforced lower limits.
Key West Specifically
Within Key West, a car is largely unnecessary and parking can be frustrating and expensive. The city is compact and very walkable; bicycles are widely available to rent and are the preferred way for many visitors to explore. Electric scooters and golf carts are also rentable locally — verify current regulations on where they can be operated.
Local Shuttles and Buses
Key West has a local bus system (the Lower Keys Shuttle and Duval Loop). Miami-Dade Transit and Monroe County transit options connect some points, but service frequency is limited. Taxis and app-based rideshares operate in Key West; availability thins considerably as you move up the Keys toward the mainland.
Boat and Water Taxi
Some resorts and areas of Key West offer water taxi service. Charter boats and kayak/paddleboard rentals are widely available throughout the Keys for exploring the backcountry, mangrove tunnels, and nearshore waters.
Where to Stay
Accommodation in the Florida Keys ranges from large resort complexes with private docks and marinas to small family-run motels, vacation rental cottages, and campgrounds. Key West has the greatest density and widest variety of lodging options, including a number of historic guesthouses in the Old Town district. Marathon and Islamorada have mid-range and resort-style hotels popular with fishing and diving visitors.
Vacation rental platforms list a significant number of private homes and cottages, which can be a practical option for families or groups who want kitchen facilities and more space. Be aware that many rental properties have specific rules about boat trailers and parking.
Camping is available at several Florida State Parks within the Keys, including Bahia Honda State Park, which is widely regarded as having some of the best natural scenery in the archipelago. Campsite reservations at state parks book out far in advance during peak season; reserve through the Florida State Parks reservation system as early as possible.
Prices vary enormously by season, island, and property type. High season (roughly December through April) commands a significant premium. Always confirm what is included — boat slip access, water sports equipment, and resort fees can add meaningfully to the stated rate.
Things to See & Do
Snorkeling and Diving
The Florida Reef system is the primary draw for underwater enthusiasts. John Pennekamp Coral Reef State Park in Key Largo is the first undersea park in the continental United States and a logical starting point for snorkeling and scuba trips. The Florida Keys National Marine Sanctuary encompasses the broader reef and backcountry areas. Numerous licensed dive operators offer half-day and full-day excursions throughout the Keys; equipment rental is widely available.
Sport Fishing
The Keys offer some of the most varied sport fishing in the world. Islamorada is the traditional center of the sport fishing scene, with access to both Atlantic and Gulf waters. Anglers can target tarpon, bonefish, permit, sailfish, mahi-mahi, and many other species depending on season. Backcountry fly fishing for bonefish and tarpon on the flats is a specialized pursuit with a devoted following. Licensed charter captains operate throughout the archipelago; verify their credentials and the season's regulations before booking.
Kayaking and Paddleboarding
The calm, shallow backcountry waters of Florida Bay on the Gulf side of the Keys are ideal for kayaking and stand-up paddleboarding. Mangrove tunnel routes and wildlife-rich flats support manatees, dolphins, sea turtles, and abundant birdlife. Guided eco-tours are available and recommended for first-time visitors who want to navigate responsibly through ecologically sensitive areas.
Key West Attractions
- Mallory Square Sunset Celebration — A nightly gathering of performers, artisans, and spectators to mark sunset; a genuine local tradition rather than a manufactured tourist event.
- Dry Tortugas National Park — Accessible only by ferry or seaplane from Key West, this remote park contains Fort Jefferson, a massive 19th-century coastal fortification, and exceptional snorkeling. Advance reservations are essential.
- Hemingway Home and Museum — Ernest Hemingway's former residence, where he lived and wrote during the 1930s. Verify opening hours and admission on the official site.
- Duval Street — The main commercial and nightlife corridor of Old Town Key West.
Wildlife and Nature
Bahia Honda State Park features natural beach areas and access to the old railroad bridge. The National Key Deer Refuge on Big Pine Key protects the tiny, endangered Key deer, a subspecies of white-tailed deer. The Florida Keys Wild Bird Center in Tavernier rehabilitates injured wild birds and is open to visitors — verify current access arrangements locally.
Food & Drink
Local Cuisine
Seafood is central to Keys cuisine. Stone crab claws (available seasonally, roughly October through May), Florida lobster (spiny lobster, not Maine lobster — in season roughly August through March), conch fritters, and fresh fish tacos are fixtures on menus throughout the islands. Key lime pie made with actual Key limes — smaller and more tart than the Persian limes found in supermarkets — is the signature dessert. Authentic versions have a yellow rather than green filling and a graham cracker crust.
Dining Scene
Key West has the broadest and most varied dining scene, ranging from waterfront fine dining to no-frills fish shacks. Islamorada has several well-regarded waterfront restaurants. Throughout the Keys, casual outdoor dining is the norm; even higher-end spots tend to have an informal dress code. Many restaurants close or reduce hours during slow season (late summer through early fall), so verifying hours before making plans is worthwhile.
Drinking Culture
The Keys have a strong bar culture, particularly in Key West. The "Duval Crawl" — bar-hopping along Duval Street — is a long-standing visitor tradition. Craft rum and tropical cocktails align with the local aesthetic. The legal drinking age in the United States is 21; valid photo ID is routinely required.
Practical Tips
- Fresh fish on the menu is often caught locally the same day — ask your server what came in that morning.
- Tipping 18–20% is standard at sit-down restaurants.
- Grocery options thin out as you move further down the Keys; Key West has the most complete selection, but prices are higher than on the mainland.
Practical Information
Money
The US dollar is the only currency in use. ATMs are available in Key West and major commercial areas, but can be sparse in smaller communities. Many smaller charter operators, fishing guides, and food stands prefer or require cash. Tipping is culturally expected for services — fishing and dive charter captains, hotel staff, and restaurant servers all rely on gratuities.
Connectivity
Cell coverage is generally reliable in Key West, Marathon, and Islamorada. Signal can weaken or drop in the stretches of highway between islands, particularly in the Lower Keys. Most hotels and many restaurants offer Wi-Fi.
Drinking Water
Tap water in the Keys is safe to drink; it is piped in from the mainland via the Florida Keys Aqueduct. Many visitors find the taste acceptable, though bottled and filtered water is widely available.
Emergencies
Dial 911 for police, fire, or medical emergencies anywhere in the United States. The nearest Level I trauma center is in Miami; local hospitals and urgent care facilities exist in Key West and Marathon, but serious medical situations typically require transport to the mainland. Travel insurance that covers medical evacuation is worth considering.
Environmental Rules
- Anchoring on or near living coral is prohibited.
- Touching, standing on, or collecting coral or marine life is illegal within the National Marine Sanctuary.
- Many areas of the backcountry have no-motor or idle-speed zones to protect seagrass and wildlife.
- Littering in or near the water carries significant fines.
Safety
The Florida Keys are a generally safe destination for travelers. Key West sees a lively nightlife scene that can occasionally become rowdy but is not typically dangerous; standard urban awareness applies after dark on Duval Street and surrounding areas.
Water safety deserves serious attention. The Gulf Stream and tidal currents are powerful in these waters, and conditions can change quickly. Only swim at designated beaches, heed posted warnings, and never snorkel or dive alone. Wear a surface marker buoy when diving in open water to ensure boat traffic can see you. Jellyfish, fire coral, and sea urchins are present — touching marine life is both ecologically damaging and potentially painful.
Boaters should be aware that the water over the reef and flats is extremely shallow in many areas. Grounding on coral or seagrass can cause significant damage to the boat and the ecosystem and can attract substantial fines. Use current nautical charts and proceed cautiously in unfamiliar waters.
Hurricane evacuation routes are well-signed; US-1 is the primary evacuation corridor. Familiarize yourself with the nearest shelter locations when you arrive, particularly if traveling during hurricane season.
