11 Iconic Bridges That Link Islands

Famous Bridges Connecting Islands to the Mainland

Bridges connecting islands to the mainland are remarkable feats of engineering that transform isolated destinations into accessible paradises. These structures are gateways to exploration, offering breathtaking views and stories of innovation. Here’s a look at some of the most iconic bridges that link islands to the mainland.

1. Hong Kong–Zhuhai–Macau Bridge – China

The Hong Kong–Zhuhai–Macau Bridge (HZMB) is a 34-mile marvel of engineering, connecting Hong Kong, Zhuhai, and Macau across the Pearl River Delta. Completed in 2018 after nearly a decade of construction, the project cost approximately $20 billion and involved innovative design solutions to withstand typhoons and earthquakes.

This network includes three cable-stayed bridges, an underwater tunnel, and artificial islands, making it the world’s longest sea crossing. Travelers pay a toll to use the bridge, with fees depending on vehicle type. Designed to last 120 years, it facilitates regional integration and significantly reduces travel time—what once took hours by ferry now takes just 30 minutes. The HZMB is also illuminated at night, creating a mesmerizing spectacle over the water.

2. Thousand Islands Bridge – Canada/USA

The Thousand Islands Bridge system is a series of five bridges connecting mainland New York (USA) to Ontario (Canada) through the stunning Thousand Islands region in the St. Lawrence River. Opened in 1938, the bridges stretch over 8.5 miles, offering breathtaking views of the river and its picturesque islands.

The journey involves tolls for vehicular traffic, with fees varying based on the type of vehicle. A blend of engineering and natural beauty, the bridges are a popular tourist route, especially for travelers seeking to explore the region’s scenic charm and historical sites. The area is rich in wildlife and home to Boldt Castle, a must-visit attraction. Each bridge segment provides a unique vantage point, making the crossing a memorable experience.

3. Krk Bridge – Croatia

Krk Bridge is a dual-arch marvel that links mainland Croatia to Krk Island, a beloved Adriatic getaway. Opened in 1980, the bridge spans over 4,000 feet, with its iconic concrete arches gracefully crossing the crystal-clear waters of the Adriatic Sea.

Originally a toll bridge, it became toll-free in 2020, boosting accessibility for locals and tourists. The structure is an engineering triumph, designed to withstand the region's strong Bora winds while harmonizing with the surrounding natural beauty. The bridge not only facilitates travel to Krk Island’s beaches, vineyards, and historic towns but also serves as a symbol of connection between the mainland and Croatia’s cherished islands. Its scenic location makes it a favorite for photographers and adventurers alike.

5. Deception Pass Bridge – Washington, USA

Deception Pass Bridge is an architectural and scenic treasure connecting Whidbey Island to Fidalgo Island and the mainland in Washington State. Completed in 1935, this two-span bridge stretches 1,487 feet across Deception Pass, a narrow, tidal strait known for its swirling waters and dramatic cliffs.

The bridge’s steel arch design complements the rugged beauty of its surroundings, and it has become a major attraction for travelers seeking breathtaking views. Pedestrian walkways along the bridge allow visitors to pause and take in panoramas of the Puget Sound, Cascade Mountains, and surrounding forests. While there is no toll to cross, parking fees apply in the adjacent Deception Pass State Park. The bridge is also a haven for photographers and adventurers drawn to its stunning landscapes and unique atmosphere.

6. Mozambique Island Bridge – Mozambique

The Mozambique Island Bridge is a lifeline connecting the mainland to the historic Mozambique Island, a UNESCO World Heritage Site. Spanning 3,800 feet across a calm expanse of water, this reinforced concrete bridge opened in 1969, significantly improving access to the island.

Mozambique Island was a vital trading post during the Indian Ocean’s maritime era and is renowned for its fusion of African, Arab, and Portuguese cultures. The bridge has made it easier for visitors to explore the island’s ancient forts, colonial architecture, and vibrant markets. While crossing is free, the journey itself is an unforgettable experience, offering serene views of the turquoise waters and mangrove-lined shores. The bridge plays a crucial role in preserving the island’s cultural significance by connecting it seamlessly to modern-day Mozambique.

7. Seven Mile Bridge – Florida, USA

The Seven Mile Bridge is one of the most iconic structures in the United States, connecting the Florida Keys to the mainland. Stretching 6.79 miles over the sparkling turquoise waters of the Gulf of Mexico, the bridge was completed in 1982 and is a major part of the Overseas Highway.

This impressive bridge is particularly famous for its breathtaking views of the sea, as well as the vibrant coral reefs and marine life visible below. The Seven Mile Bridge offers a gateway to Key West, one of Florida’s most popular and picturesque islands. It’s a favorite among road-trippers and adventurers, offering a feeling of floating on the water as you drive across. The bridge was originally built as part of the Florida East Coast Railway and later converted for vehicle use. Travelers pass through an area of rare natural beauty, with clear waters on either side and the occasional sighting of dolphins and manatees.

8. Great Seto Bridge – Japan

The Great Seto Bridge is a network of bridges connecting the islands of Honshu and Shikoku across the Seto Inland Sea in Japan. Completed in 1988, this remarkable system consists of a series of eight interconnected bridges, including cable-stayed, suspension, and stone arch bridges, spanning a total of 8 miles.

This engineering marvel allows vehicles and trains to cross seamlessly between Japan’s two largest islands, offering panoramic views of the surrounding islands, sea, and coastline. The Great Seto Bridge is part of the Honshu–Shikoku Highway and plays a vital role in connecting the economic and cultural heart of Honshu with the more rural, traditional landscapes of Shikoku. The crossing is free for pedestrians and cyclists, but vehicles and trains are subject to tolls. The region surrounding the Great Seto Bridge is known for its scenic beauty, with the inland sea dotted by islands, many of which are home to ancient temples and picturesque fishing villages. The bridge has become an iconic symbol of Japan’s innovative approach to transportation and engineering.

9. Skye Bridge – Scotland, UK

The Skye Bridge is a picturesque structure connecting the Isle of Skye to the Scottish mainland via the Kyle of Lochalsh. Opened in 1995, this 1.5-mile-long bridge replaced a ferry service, providing a much faster and more convenient route for locals and visitors.

Initially, the bridge was a toll crossing, sparking controversy due to high charges. However, in 2004, tolls were abolished, making the journey free for all travelers. The bridge is an essential gateway to the Isle of Skye, renowned for its rugged landscapes, historic castles, and vibrant Gaelic culture. From the bridge, travelers are treated to sweeping views of Loch Alsh and the surrounding highlands, making it not just a functional link but a highlight of any visit to the region.

10. Great Belt Bridge – Denmark

The Great Belt Bridge is an awe-inspiring connection between the Danish islands of Zealand and Funen, spanning the Great Belt strait. Officially opened in 1998, the bridge consists of two sections: an East Bridge (suspension) and a West Bridge (box girder). Combined, the bridge stretches over 10 miles, with the East Bridge boasting one of the longest suspension spans in the world at 5,328 feet.

This toll bridge is a critical component of Denmark’s infrastructure, significantly reducing travel time between the islands and boosting economic integration. The bridge is not just a transit point but a destination in itself, offering dramatic views of the strait and surrounding seascape. Beneath the bridge, the waters teem with maritime traffic, adding a dynamic element to the serene scenery.

11. Øresund Bridge – Sweden to Denmark

The Øresund Bridge is a remarkable engineering feat linking Malmö, Sweden, to Copenhagen, Denmark, over the Øresund Strait. This 10-mile structure is a combination of a cable-stayed bridge and an underwater tunnel, completed in 2000. It provides a seamless connection between the two countries, allowing both vehicle and rail traffic.

Tolls apply for crossing, with fees varying based on vehicle type. The bridge has transformed regional travel, reducing the journey between the cities to just 20 minutes, compared to the hours it took by ferry. The bridge is also a striking visual feature, with its elegant design set against the waters of the strait. The underwater tunnel segment is particularly fascinating, designed to maintain navigability for large ships. The Øresund Bridge has become a cultural icon, symbolizing the close ties between Denmark and Sweden.

From ancient trade routes to modern marvels, bridges connecting islands to the mainland are more than just feats of engineering—they are symbols of progress, resilience, and unity. These structures not only provide essential links but also create opportunities for exploration, adventure, and cultural exchange. Whether you’re crossing the turquoise waters of the Florida Keys, the historic straits of Mozambique, or the picturesque landscapes of Scotland, these bridges turn journeys into unforgettable experiences.