Key West to Miami Drive: Complete Route Guide

The drive from Key West to Miami is more than a simple trip between two Florida destinations; it’s a scenic journey through the heart of the Florida Keys. Along the way, travelers can enjoy ocean views, charming island communities, historic sites, local restaurants, and plenty of opportunities to stop and explore. 

Whether you’re planning a relaxed road trip or hoping to reach Miami as efficiently as possible, knowing the route, key stops, driving time, and practical tips can make the journey much easier. This complete guide covers what to expect and how to make the most of your drive from Key West to Miami. 

Key West to Miami Driving Overview

How Far Is It From Key West to Miami?

I have driven the Key West to Miami Drive many times. The driving distance is close to 163 miles total. That equals about 262 kilometers on US Highway 1. This scenic route follows the famous Overseas Highway. You pass mile markers, Islamorada, Marathon, and Key Largo. Expect around 3 hours 21 minutes without stops. 

I always add time for rest stops and fuel. Flying feels quicker between Key West International Airport and Miami International Airport. That flight takes roughly 50 minutes total. As the crow flies, the distance drops to 125 miles. Compare driving and flying before your Florida Keys trip. 

How Long Does the Drive Take?

Drive time on the Key West to Miami drive really varies. I’ve made it in three and a half hours without stopping. With sightseeing, plan closer to four and a half hours. The direct road covers about 166 miles total. A longer scenic option runs near 207 miles. I always watch the speed limit near Big Pine Key. 

That area is home to the Key Deer. Weekend traffic picks up fast, so I avoid spring break dates. Renting a convertible through Enterprise Rent-a-Car made my last trip unforgettable. Visiting during the dry season keeps the drive smooth and sunny.

The Overseas Highway (US-1) Route Explained

The Overseas Highway (US-1) carries drivers straight into history. Henry Flagler built the original Overseas Railroad in 1912. A powerful 1935 hurricane wrecked much of that railroad. Florida rebuilt the route as a two-lane road by 1938. Today it crosses 42 bridges, along with the famous Seven Mile Bridge. 

Views stretch across the Atlantic Ocean and Florida Bay. The road begins at Whitehead Street in Key West. From there, it links island after island toward the mainland. I love stopping mid-bridge just to watch the water change color.

Key West to Miami Route Map & Directions

Step-by-Step Driving Directions

Starting your drive is simple with the right route. Take 836 (Dolphin Expressway) toward the Florida Turnpike heading south. Merge onto US-1 near Florida City, and keep heading south. Grab a SunPass first, since tolls stay cashless the whole way. 

You’ll pass through the Upper Keys, then the Middle Keys. Finally, you’ll reach the Lower Keys near the end. Stop briefly at John Pennekamp State Park for quick snorkeling. Signs marked “Key West” keep you on track throughout. This is the classic route for any traveler.

Mile Marker System

The mile marker system makes navigation easy in the Keys. Small green signs with white numbers line every mile. Numbers start at MM 126 near the mainland. They count down to MM 0 in Key West. Locals rely on this instead of street addresses. 

Even numbers sit on the bayside, facing the Gulf. Odd numbers sit on the oceanside, facing the Atlantic. The FDOT maintains these signs along the entire route. Look for the Southernmost Point buoy once you hit zero. This simple system turns any confusing stretch into clear guidance.

Crossing the Seven Mile Bridge

Crossing the Seven Mile Bridge feels like driving over open ocean. Built in 1982, this modern span replaced an older railroad bridge. It runs from Knights Key to Little Duck Key. At its highest point, it rises about 65 feet above water. The crossing itself takes roughly 10 to 15 minutes.

I always time my crossing near sunrise for softer light. There are no true pull-off points once you’re on the span. Nearby, the historic Old Seven Mile Bridge welcomes walkers and cyclists. That path passes near Pigeon Key, a tiny historic island.

Best Time to Make the Drive

Dry Season vs. Hurricane Season

I always plan my trip around the dry season. That stretch runs November through April, with calm skies. Hurricane season covers June through November instead. Storms and tropical storms can slow the whole route. The wet season brings sudden rain and choppy water. Late spring works too, as a quiet shoulder season.

Watch for sargassum on beaches during summer months. I skip Fantasy Fest week if I want lighter traffic. Driving during dry months keeps roads safer and calmer. Before you hit the road, it’s worth checking the best time to visit the Florida Keys so you avoid peak traffic and hurricane season on the Overseas Highway.

Best Time of Day to Avoid Traffic

Timing your drive well saves real hours. I leave before 7 am whenever possible. Rush hour traffic peaks between 4 pm and 7 pm. The midday window stays noticeably lighter and calmer. Tuesday tends to be the quietest weekday overall. Saturday morning offers the smoothest ride of the week. I check navigation apps before joining the highway. Sometimes I switch to Card Sound Road for less traffic. Small timing changes make a big difference.

Is It Safe to Drive at Night?

Night driving here needs extra caution. Much of the road stays poorly lit. Shoulders run narrow, with little room to pull over. Watch closely through Big Pine Key, home to the Key Deer. Deer collisions rise sharply after dark. 

You might also spot iguanas crossing the pavement. Use your high beams on quiet, open stretches. Fuel up before Florida City, since stations thin out. Speed limits drop at night to protect wildlife. I still prefer daylight for the safest, calmest drive. 

Top Stops Between Key West and Miami

Key West Highlights Before You Leave

I always save the Key West highlights for last. Duval Street buzzes with shops, bars, and street life. It runs straight to the Southernmost Point buoy. Nearby, Mile Marker 0 marks the true end of the road. I never skip the Hemingway House, home to famous six-toed cats. Its rooms still hold the writer’s original furniture. 

Mallory Square hosts a nightly Sunset Celebration worth catching. Take a slice of key lime pie before heading out. These few stops capture Key West’s spirit perfectly. 

Big Pine Key & the Florida Keys Wildlife Refuge

Big Pine Key feels quieter than the rest of the Keys. I always stop at the National Key Deer Refuge. Tiny Key Deer wander right along the roadside here. The Nature Center offers maps and friendly local advice. 

Trails wind through pine rockland forests and mangrove forests. I like the short Blue Hole boardwalk for wildlife views. Drive slowly, since deer often cross unexpectedly. Grab lunch afterward at the No Name Pub nearby. 

Marathon: Turtle Hospital & Seven Mile Bridge Views

Marathon sits right in the heart of the Keys. I always tour the Turtle Hospital for its rescue work. Injured sea turtles recover here before returning home. From there, I drive slowly across the Seven Mile Bridge. 

Water stretches endlessly on both sides of the road. Stop at Pigeon Key for a closer historic view. Afterward, relax on Sombrero Beach with calm, shallow water. This stretch alone makes the whole trip worthwhile. 

Islamorada: Sportfishing Capital & Robbie’s Marina

Islamorada earned its name as the sportfishing capital of the world. Charter boats head out daily for backcountry fishing. I always stop at Robbie’s Marina to feed tarpon. Giant fish crowd the dock, eager for handouts. The Morada Way Arts & Cultural District adds a creative touch. Galleries and restaurants line this small walkable strip. Turquoise water surrounds nearly every stop along the way. It’s a perfect midpoint break on any Keys drive.

Key Largo: Snorkeling

Key Largo welcomes you first as you enter the Keys. I always plan time for snorkeling at John Pennekamp Coral Reef State Park. It holds the only living coral reef in the mainland US. 

Glass-bottom boats offer a dry option for non-swimmers. Underwater visibility here often stretches wonderfully far. This reef park draws more visitors than any other Keys stop. I never skip it on my way south.

Biscayne & Everglades National Parks Near Miami

Before heading south, I detour toward Miami’s two national parks. Everglades National Park spreads out in endless sawgrass wilderness. Airboat rides bring you close to alligators and wading birds. 

Biscayne National Park sits mostly underwater, reached only by boat. I love kayaking through Jones Lagoon near the park’s edge. Boca Chica Key offers a small historic lighthouse to climb. Both parks make an easy add-on from downtown Miami.

Where to Eat Along the Way

Best Seafood Stops in the Keys

Seafood defines every stop along this drive. In Key Largo, I always visit The Fish House for fresh catch. Their yellowtail snapper never disappoints me. Moving south, Islamorada offers Hungry Tarpon for waterfront dining. 

I love their mahi-mahi paired with ocean views. In Marathon, Fish Tales Market & Eatery feels like a local secret. Order cracked conch or a bowl of conch fritters. Each town brings its own seafood personality forward. These stops turn a simple drive into a real food tour. 

Key Lime Pie Spots You Shouldn’t Skip

No Keys trip feels complete without key lime pie. In Key West, I head straight to Kermit’s Key Lime Shop. Their frozen, chocolate-covered slice is legendary. Moondog Cafe sits close to the Hemingway House, worth the walk. 

I love their tall meringue topping and tart filling. Further north, Mrs. Mac’s in Key Largo serves a classic version. The crust stays crisp, with real key lime juice shining through. Compare a few slices along the way, honestly. Everyone seems to have their own favorite version. 

Local Cuban and Caribbean Eats Near Miami

Before finishing near Miami, I always stop in Little Havana. Calle Ocho buzzes with music, coffee, and dominoes. I grab a Cuban sandwich first, every single time. Versailles remains my go-to for classic ropa vieja. Their bakery sells warm pastelitos alongside strong cafecito. 

At Domino Park, locals gather for games and conversation. Sometimes I try empanadas from a smaller family-run spot. The mix of Cuban and Caribbean flavors feels essential here. It’s the perfect final bite before heading home.

Where to Stay if You Break Up the Trip

Overnight Options in the Middle Keys

Marathon makes a perfect overnight stop midway through the drive. I usually book a room at Faro Blanco Resort for water views. Its marina and pools make evenings feel relaxed. For something quieter, Lime Tree Bay Resort sits between Islamorada and Marathon. Families often choose Grassy Flats Resort & Beach Club for private balconies. 

Budget travelers can try Key Colony Beach for smaller, calmer hotels. Wherever you stay, sunset views come included nightly. Breaking up the drive here saves the rest of your trip.

Hotels and Resorts Closer to Miami

Before entering the Keys, I often stay near Homestead. Hampton Inn & Suites Homestead Miami South offers easy Turnpike access. It sits close to Everglades National Park for early exploring. 

Families sometimes prefer TownePlace Suites Miami Homestead for extra space. Budget travelers like Best Western Gateway to the Keys. This spot keeps you near Biscayne National Park too. It’s a smart base before the long stretch south.

Camping and RV Options Along US-1

RVers have plenty of choices along US-1. John Pennekamp State Park offers camping right by the reef. Further south, Long Key State Park provides quiet, waterfront sites. Bahia Honda State Park books up fastest among all options. For full hookups, Sunshine Key RV Resort & Marina works well. 

Near Big Pine Key, several parks offer waterfront hookup sites. I recommend booking months ahead during busy season. Camping here puts you right beside the open water.

Planning Your Trip: Car Rentals & Logistics

Renting a Car in Key West or Miami

I always book my rental before landing at MIA. Avis and Hertz both keep counters right at baggage claim. A convertible feels perfect for this particular drive. If you land in Key West instead, try EYW’s rental counter. Ask about one-way rental fees if you’re not returning the car. Some companies also charge extra for unlimited mileage upgrades. I always bring a credit card for the security deposit. Renting early online usually locks in better rates too. 

Gas Stations, Rest Stops & Cell Service Along the Route

There are no official rest areas on this route. Gas stations sit scattered but stay fairly frequent overall. The longest gap runs from Florida City to Key Largo. That stretch covers about 20 miles with nothing along it. I always fill up once I hit half a tank. Cell service stays strong, though a few dead zones appear. Downloading offline maps beforehand covers those weak spots easily. Restrooms are usually found at gas stations or restaurants.

Alternatives to Driving

Driving isn’t the only option to make this trip. Flying between EYW and MIA takes about an hour. Greyhound also runs scheduled buses between the two cities. I’ve used Keys Shuttle for a relaxed, door-to-door ride. 

The Key West Express ferry offers a completely different route option. It departs from Fort Myers instead of the mainland highway. Rideshare works fine within towns but not between them. Pick whichever option matches your budget and schedule best.

FAQs

Is a Road Trip From Key West to Miami Worth It?

Yes, the Overseas Highway offers stunning ocean views, unique bridges, and charming island towns, making this scenic 113-mile drive one of America’s most memorable road trips. 

How Many Bridges Are on the Route?

The Overseas Highway crosses 42 bridges, including the iconic Seven Mile Bridge, connecting the Florida Keys’ islands across the open ocean between Key Largo and Key West.

How Many Keys Do You Pass Through?

You’ll pass through roughly 40 inhabited keys among more than 800 total islands, including Key Largo, Islamorada, Marathon, Big Pine Key, and finally Key West.

Can You Do the Drive in One Day?

Yes, the direct drive takes about 3.5 to 4 hours without stops, though most travelers spend a full day exploring towns along the Overseas Highway.

What’s the best direction to drive, Key West to Miami or Miami to Key West?

Either direction works well; driving south toward Key West offers ocean views on your left, while heading north to Miami gives clearer sunset views.