14 Incredible Sea Arches around the World

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Sea arches are breathtaking natural wonders that showcase the beauty and power of the world’s oceans. These magnificent geological formations have captivated travelers and nature enthusiasts for centuries. From rugged coastlines to remote islands, the Earth is adorned with a variety of awe-inspiring sea arches. In this article, we will explore 14 incredible sea arches around the world, each with its own unique charm and allure.


Sea arches are natural rock formations sculpted by the relentless force of ocean waves over thousands of years. These arches create striking silhouettes against the backdrop of the sea, leaving us in awe of nature’s artistic prowess. Let’s embark on a journey to discover some of the most incredible sea arches found across the globe.

What are Sea Arches?

Sea arches are geological formations that result from the erosion of coastal cliffs and headlands. They are formed through a combination of powerful waves, wind, and the natural weathering of rock. As the waves crash against the coastline, they exploit weaknesses in the rocks, gradually eroding them and forming unique arch-shaped openings. Over time, these arches may collapse due to the continuous forces of nature, making each sea arch a temporary masterpiece.

The Great Blue Hole Arch, Belize

One of the most famous sea arches is found within the Great Blue Hole in Belize. This natural wonder is a massive underwater sinkhole that stretches nearly 1,000 feet in diameter. Submerged beneath the crystal-clear waters of the Caribbean Sea, the Great Blue Hole Arch offers divers a mesmerizing experience as they swim beneath its magnificent limestone arch.

Durdle Door, England

Located along the Jurassic Coast in Dorset, England, Durdle Door is a spectacular sea arch that attracts visitors from around the world. Carved by the relentless waves of the English Channel, this iconic limestone arch stands proudly, framing the turquoise waters and picturesque coastline. Its unique shape and breathtaking surroundings make it a photographer’s paradise.

Azure Window, Malta

The Azure Window in Malta was once a stunning sea arch that adorned the island’s coastline. Regrettably, this natural wonder collapsed in 2017 due to natural erosion and storm damage. Although it no longer stands, its legacy remains, reminding us of the transient nature of these magnificent formations and the need to appreciate and preserve them.

Natural Bridge, Australia

Formed by centuries of pounding waves along the southern coast of Victoria, Australia, the Natural Bridge is a mesmerizing sea arch that showcases the power of nature. Its picturesque location and the crashing waves that pass through the arch create a captivating spectacle that leaves visitors in awe.

Cathedral Cove, New Zealand

Nestled on the picturesque Coromandel Peninsula in New Zealand, Cathedral Cove boasts not only stunning beaches but also a magnificent sea arch. This arched rock formation adds an enchanting touch to the already breathtaking scenery. Visitors can enjoy the beach, explore the marine reserve, and witness the grandeur of the Cathedral Cove Arch.

Los Arcos, Mexico

Los Arcos, located near Puerto Vallarta in Mexico, is a collection of granite sea arches that rise majestically from the deep blue waters of Banderas Bay. These natural wonders are not only a visual delight but also provide a habitat for a diverse range of marine life, making them a popular spot for snorkeling and diving enthusiasts.

Etretat Arch, France

Situated in the charming coastal town of Etretat in Normandy, France, the Etretat Arch is a testament to the power of nature’s artistry. This striking limestone arch stands proudly between towering cliffs, providing visitors with a picturesque setting and an opportunity to witness the dramatic interplay between land and sea.

Cabo Girão, Madeira

Perched on the rugged cliffs of Madeira, Portugal, Cabo Girão is not only known for its vertigo-inducing glass platform but also for its impressive sea arch. Visitors can marvel at the breathtaking views of the Atlantic Ocean and experience the thrill of standing on the edge of the world, with the sea arch serving as a natural frame for this extraordinary panorama.

Bridges National Monument, USA

Located in southeastern Utah, the Bridges National Monument is a treasure trove of mesmerizing geological formations, including a captivating sea arch. This sandstone marvel, known as Owachomo Bridge, showcases the intricate beauty of nature’s craftsmanship and invites visitors to embark on a journey through time as they explore the rich geological history of the region.

Porto Moniz, Portugal

In the northern coast of Madeira, Portugal, lies the captivating town of Porto Moniz, home to a stunning sea arch that has become a popular attraction. Visitors can marvel at the dramatic clash of waves against the volcanic cliffs and witness the sea arch gracefully standing as a testament to the Earth’s ever-changing landscape.

Bunda Cliffs, Australia

Stretching along the rugged coastline of the Great Australian Bight, the Bunda Cliffs showcase a series of towering sea cliffs and magnificent sea arches. These natural wonders provide a dramatic backdrop for the pristine waters of the Southern Ocean, leaving visitors in awe of the sheer beauty and raw power of nature.

The Twelve Apostles, Australia

Located along the Great Ocean Road in Victoria, Australia, the Twelve Apostles is a collection of limestone stacks, some of which have formed into remarkable sea arches. These iconic formations rise majestically from the Southern Ocean, offering visitors a truly unforgettable sight and a reminder of the constant evolution of our planet.

The London Arch, Australia

Formerly known as the London Bridge, the London Arch is another incredible sea arch located along the Great Ocean Road in Victoria, Australia. This natural wonder, carved by the forces of erosion, stands as a testament to the ever-changing nature of our planet’s landscapes. Its unique shape and fascinating history make it a must-visit destination.


The world is adorned with extraordinary sea arches that leave us spellbound with their majestic beauty. From the underwater wonders of Belize to the rugged cliffs of Australia, these natural formations remind us of the immense power and artistry of the Earth. Exploring these 14 incredible sea arches around the world allows us to appreciate the transient nature of these geological wonders and encourages us to protect and preserve them for future generations.


  1. Are sea arches formed quickly? Sea arches are formed over long periods of time through the gradual erosion of coastal cliffs by the relentless force of waves.
  2. Can sea arches collapse? Yes, sea arches are subject to collapse due to the continuous forces of nature, such as erosion and storm damage.
  3. Can I visit sea arches? Many sea arches are accessible to visitors, although some may require hiking or boat trips to reach. It’s important to respect any guidelines or restrictions in place to preserve these natural wonders.
  4. Are sea arches found in all oceans? Yes, sea arches can be found in various oceans around the world, as long as there are suitable coastal cliffs and conditions for their formation.
  5. Do sea arches have any ecological significance? Sea arches can serve as habitats for marine life, providing shelter and food sources for various species. They contribute to the overall biodiversity of coastal ecosystems.
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Upendra Yadav is a seasoned Data Analyst with a passion for exploring new places and immersing himself in different cultures. With a curious mind and an eye for detail, Upendra delves deep into the history, people, and cuisine of the places he visits, and brings his experiences to life through his writing.. His work has been featured in various travel blogs, where he shares his insights and recommendations for fellow explorers. Through his writing, Upendra aims to inspire others to venture beyond their comfort zones and discover the hidden gems of the world. When he's not analyzing data or traveling to new destinations, Upendra can be found indulging in his other hobbies, such as photography and trying out new recipes. He is currently working on his next travelogue, where he hopes to take his readers on a journey to even more exciting and lesser-known destinations.