There’s something magical about islands that makes them feel like distant escapes, even when they’re just a bridge away from your everyday world. Most people picture a ferry or flight when they think of reaching an island, yet many beautiful U.S. Islands are connected to the mainland by scenic bridges and causeways.
These destinations offer that perfect island vibe without the hassle of ferry schedules or weather delays. Here is a list of 18 islands you can drive to from the mainland, each offering its unique charm and attractions.
Sanibel Island, Florida
Sanibel Island is connected to the mainland via a scenic causeway, offering stunning views of the Gulf of Mexico. This barrier island is famous for its shell-covered beaches, where visitors spend hours hunting for the perfect conch or sand dollar.
The island maintains strict development regulations, though you’ll find more wildlife preserves than high-rise hotels as a result.
Galveston Island, Texas
Galveston sits about 50 miles southeast of Houston, connecting to the mainland through a series of bridges and causeways. This historic island survived the devastating 1900 hurricane and then rebuilt itself into a charming destination, boasting iconic Victorian architecture and beautiful beaches.
The Strand Historic District feels like stepping back in time, complete with horse-drawn carriage tours.
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Anna Maria Island, Florida
Anna Maria Island stretches along Florida’s Gulf Coast while connecting to the mainland via the Cortez Bridge. This 7-mile-long barrier island maintains an old Florida charm — colorful beach cottages and laid-back vibes included.
The island’s three cities (Anna Maria, Holmes Beach, and Bradenton Beach) each offer their personality, yet they share those gorgeous white sand beaches.
Hilton Head Island, South Carolina
Hilton Head Island became accessible by car in 1956 when the first bridge connecting it to the mainland was built. This resort destination spans about 12 miles long and 5 miles wide, offering world-class golf courses and pristine beaches.
The island’s strict building codes ensure that no structure rises above the tree line, thereby maintaining its natural beauty.
South Padre Island, Texas
South Padre Island is situated at the southernmost tip of Texas, connected to the mainland via the Queen Isabella Causeway. This barrier island stretches for 34 miles, though most of the activity is concentrated in the lively southern portion.
The island’s location makes it prime for deep-sea fishing, while the Gulf of Mexico provides excellent opportunities for catching red snapper and king mackerel.
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Jekyll Island, Georgia
Jekyll Island connects to the mainland through a causeway, serving as one of Georgia’s Golden Isles. This barrier island once hosted America’s wealthiest families in exclusive winter retreats during the late 1800s and early 1900s.
Today, visitors can tour the historic Jekyll Island Club while enjoying miles of undeveloped beaches that sea turtles still use for nesting.
Captiva Island, Florida
Captiva Island sits north of Sanibel, connected through a small bridge between the two islands. This narrow strip of land curves like a fishhook while offering some of the most spectacular sunsets on Florida’s Gulf Coast.
The island’s name comes from the legend that pirates once held captives here, though today’s visitors are captivated by the stunning beaches and luxury resorts.
Mount Desert Island, Maine
Mount Desert Island is connected to the mainland via a short bridge, which houses most of Acadia National Park. This rugged island offers a completely different experience from tropical destinations, featuring rocky coastlines, dense forests, and mountains that rise directly from the sea.
Bar Harbor serves as the island’s main town, providing easy access to hiking trails and scenic drives.
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Kiawah Island, South Carolina
Kiawah Island connects to the mainland through Johns Island, offering 10 miles of pristine Atlantic coastline. This barrier island gained international attention when it hosted the 1991 Ryder Cup, showcasing its world-renowned Ocean Course golf layout.
The island’s development focuses on preserving natural habitats, so visitors spot alligators, dolphins, and countless bird species.
Tybee Island, Georgia
Tybee Island sits about 18 miles east of Savannah, connecting to the mainland via Highway 80. This small barrier island measures just 3 miles long and 1 mile wide. Perfect for exploring on foot or by bike.
The island’s lighthouse has guided ships since 1736 while climbing its 178 steps rewards visitors with panoramic views of the Atlantic Ocean.
Marco Island, Florida
Marco Island connects to the mainland through a series of bridges, ranking as the largest of Florida’s Ten Thousand Islands. This upscale destination sits at the northern edge of the Everglades, offering excellent fishing opportunities in both the Gulf of Mexico and the maze of mangrove islands.
The island’s crescent-shaped beach stretches for over 3 miles and consistently ranks among America’s best.
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Amelia Island, Florida
Amelia Island connects to the mainland via the Buccaneer Trail, sitting just south of the Georgia border. This barrier island measures 13 miles long and 4 miles wide, offering 13 miles of pristine beaches on its Atlantic side.
The historic town of Fernandina Beach maintains its Victorian charm with well-preserved buildings and horse-drawn carriage tours.
Assateague Island, Maryland, and Virginia
Assateague Island connects to the mainland through bridges in both Maryland and Virginia, yet the two sides don’t connect by road. This 37-mile-long barrier island is famous for its wild ponies that roam freely along the beaches and through the dunes.
The island’s pristine environment makes it a paradise for birdwatchers and nature photographers.
Ocean City, Maryland
Ocean City sits on a barrier island connected to the mainland by several bridges. It offers 10 miles of Atlantic Ocean beachfront. This classic beach town combines old-school boardwalk charm with modern resort amenities.
The famous boardwalk stretches for 3 miles and features everything from funnel cake stands to amusement rides.
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Longboat Key, Florida
Longboat Key is connected to the mainland via bridges from both Bradenton and Sarasota, situated perfectly between the two cities. This 12-mile-long barrier island offers an upscale, quiet alternative to busier Florida beach destinations.
The island’s Gulf-side beaches feature soft white sand, whereas the bay side provides excellent spots for kayaking through mangrove tunnels.
Duck, North Carolina
Duck sits on the Outer Banks, connecting to the mainland via Highway 12, though visitors need to drive through several other barrier islands to reach it. This upscale beach town offers a more refined alternative to the party atmosphere of nearby destinations.
The town’s name comes from the waterfowl that migrate through the area. Making it a prime spot for birdwatching.
Siesta Key, Florida
Siesta Key connects to the mainland via two bridges while boasting some of the finest sand beaches in the world. The island’s quartz sand stays cool even on the hottest days and squeaks when walked on.
Siesta Beach consistently ranks among America’s top beaches, whereas the island’s village area offers excellent dining and shopping options.
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Virginia Beach, Virginia
Virginia Beach sits on a barrier island connected to the mainland, offering 35 miles of Atlantic coastline. This major resort destination combines beachfront fun with historical attractions like the First Landing State Park, where English colonists first touched American soil.
The famous boardwalk stretches for three miles, hosting numerous festivals throughout the year.
Bridges to Paradise
These drivable islands prove that paradise doesn’t always require a boat ticket or flight reservation. From the tropical Gulf shores of Florida to the rugged beauty of Maine’s coast, each destination offers its slice of island magic while remaining conveniently accessible by car.
The bridges and causeways that connect these islands to the mainland represent more than just engineering marvels. They’re gateways to experiences that remind us why humans have always been drawn to these special places where land meets sea.
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