Somaemuldo Island
Gyeongsangnam-do
Somaemuldo Island, located in Gyeongsangnam-do, South Korea, is a small island covering an area of 0.51 square kilometers. It is composed primarily of Cretaceous granite porphyry, which forms striking vertical cliffs and rugged coastal formations along its 3.8 km shoreline. The island's highest point is Mangtaebong Peak, rising 152 meters above sea level in the center of the island. Somaemuldo lies 26 kilometers southeast of Tongyeong Port and is connected to the nearby Deungdae Island by a 70-meter gravel path called Yeolmokgae, which is submerged or exposed depending on the tide. The island is accessible by daily ferries from Jeogu Port in Geoje City or Hansan Island in Tongyeong City. Motorized transport is limited to areas near the harbor as most of the island consists of mountainous trails. Somaemuldo is also affectionately known as "Cookdas Island" due to a famous 1986 commercial filmed on Deungdae Island. Visitors are drawn to its natural beauty, hiking paths, and geological features such as sea caves and the distinctive granite formations. The island offers a peaceful retreat with scenic views ideal for nature lovers and photographers.
Plan your trip to Korea, South with AI
Create a detailed itinerary in minutes. AI suggests the best places, restaurants, and an optimized route.
Tip: The best time to visit Somaemuldo Island is during mild weather seasons for comfortable hiking. It is recommended to check ferry schedules in advance as transportation depends on daily boat services from nearby ports. Visitors should prepare for walking on mountainous trails as there is no public transport on the island. Purchasing tickets beforehand may help during peak tourist seasons. Bringing appropriate footwear and water is advised for exploring the island's trails and coastal areas.
Interesting facts
- •Somaemuldo and the adjacent Deungdae Island are connected by a 70-meter gravel path called Yeolmokgae, which is submerged or exposed depending on the tide.
- •The island is composed almost entirely of Cretaceous granite porphyry, featuring well-developed vertical joints in the rock formations.
- •Somaemuldo is colloquially known as "Cookdas Island" due to a famous 1986 commercial filmed on nearby Deungdae Island.
History
Somaemuldo Island's geological formation dates back to the Cretaceous period, characterized by granite porphyry rock formations.
Historically, it has been a small fishing and maritime community within Tongyeong City’s jurisdiction.
In 1986, the island gained wider recognition when Deungdae Island was used as the filming location for a popular Crown Confectionery commercial, leading to its nickname "Cookdas Island." Over the years, the island has remained largely natural and undeveloped, preserving its rugged landscape and traditional charm.
Place Guide
Mangtaebong Peak
The highest point on Somaemuldo Island, rising 152 meters, offering panoramic views of the island and surrounding sea. It is accessible via hiking trails through the island’s rugged terrain.
Yeolmokgae Gravel Path
A unique 70-meter gravel path connecting Somaemuldo to Deungdae Island. This path is submerged at high tide and exposed at low tide, allowing visitors to walk between the islands during certain times.
Sea Caves and Coastal Granite Formations
The island features sea caves and striking granite coastal cliffs formed by erosion, showcasing the island's distinctive Cretaceous granite porphyry geology.