Japan and Korea are nations that are celebrated for their vibrant cities, ancient traditions, and diverse cultures. However, concealed treasures await discovery on their picturesque islands beyond the urban landscapes. Island excursions in Japan and Korea provide travelers with the opportunity to escape the throngs and immerse themselves in a distinct world, featuring tranquil beaches, lush vegetation, unique local cultures, and pristine natural beauty. Consider utilizing an eSIM Japan and eSIM Korea for travelers to improve your island-hopping experience. This ensures seamless connectivity for navigation, sharing of experiences, and remaining in touch with loved ones. 

Japan: Island Escapes 

Okinawa Islands 

The Okinawa Islands, situated in the southernmost region of Japan, are characterized by a relaxed island atmosphere, crystal-clear waters, and breathtaking coral reefs. Snorkeling and diving aficionados will find Ishigaki Island to be an ideal destination, as it is renowned for its white powdery beaches and vibrant marine life. Miyako Island is distinguished by its distinctive Ryukyu culture, which seamlessly integrates Japanese and Southeast Asian elements. Additionally, it boasts picturesque coastal landscapes. 


Hokkaido, located in northern Japan, is a veritable treasure trove of outdoor adventures and natural beauty. Rebun Island, which is a component of the Rishiri-Rebun-Sarobetsu National Park, is renowned for its scenic trekking trails and alpine flora. The Shakotan Peninsula is a sanctuary for seafood enthusiasts and photographers, as it is characterized by crystal-clear waters and spectacular mountains that are teeming with marine life. 

### Shikoku 

The Seto Inland Sea, which is dotted with over 3,000 islands of varying sizes, is located on Shikoku, the smallest of Japan’s principal islands. Naoshima Island is known for its outdoor sculptures and contemporary art museums, while Shodoshima Island is renowned for its soy sauce production and olive plantations. Shimanami Kaido is a cycling route that connects numerous islands and provides astounding vistas of the Seto Inland Sea. 

Korea: The Allure of the Coast 

Jeju Island 

Jeju Island, situated off the southern coast of Korea, is a UNESCO World Heritage site renowned for its natural marvels and volcanic landscapes. The island’s center is dominated by Hallasan, South Korea’s highest mountain, which provides rewarding panoramic views and challenging treks. Jungmun’s pristine beaches and Jusangjeolli’s coastal cliffs are essential destinations for nature enthusiasts. 

Ulleungdo and Dokdo Islands 

Ulleungdo and Dokdo Islands, situated in the East Sea (Sea of Japan), are relatively unfrequented by tourism. Ulleungdo is renowned for its picturesque coastal paths, extensive forests, and volcanic peaks. Dokdo, a craggy outcrop surrounded by clear waters, is renowned for its disputed sovereignty. It provides opportunities for trekking and the exploration of unique flora and fauna. 

Geoje Island 

Geoje Island, situated off the southeastern coast of Korea, is the second-largest island in South Korea. It is renowned for its historic landmarks and picturesque coastal landscape. The Haegeumgang Island, also referred to as “Lion Island,” is renowned for its stunning granite formations and marine caves, which can be accessed by boat. On a small island near Geoje, Oedo Botania is a botanical garden that boasts breathtaking ocean views and uncommon flora. 

Practical Advice for Island Tours 

Trip Planning 

When organizing an island excursion in Japan or Korea, it is important to take into account seasonal activities and the weather. Spring and autumn are typically the most suitable seasons, as they provide more pleasant temperatures and fewer crowds than the prime summer season. 


Ferries, local buses, and rental vehicles or bicycles are among the transportation options that differ by island. During prime travel seasons, it is advisable to research transportation schedules and reserve tickets in advance. 


Each island provides a variety of lodging options, including traditional inns, comfortable guesthouses, and opulent resorts. It is crucial to reserve accommodations in advance, particularly when traveling to renowned islands or during local festivals. 

Regional Cuisine 

Island excursions provide an exceptional opportunity to indulge in locally sourced specialties and fresh seafood. Indulge in regional cuisines, including seafood bibimbap in Jeju, Okinawa soba in Okinawa, and Hokkaido seafood stew. It is important to remember to visit local markets in order to experience the true flavors of the island. 

Demonstrate Respect for the Environment and Culture of 

It is imperative to demonstrate respect for the natural environment and local customs when visiting islands in Korea and Japan. To ensure the preservation of these pristine destinations for future generations, it is important to follow designated trails, dispose of refuse responsibly, and comply with local regulations. 


Japan and Korea island tours are unforgettable experiences, including unique cultural encounters, breathtaking natural landscapes, and tranquil beaches. Every destination has its own unique appeal and allure, whether you are exploring the remote islands of Hokkaido or diving into the volcanic marvels of Jeju. With an eSIM for travelers, you can effortlessly navigate these island paradises and share your adventures with friends and family back home, ensuring seamless connectivity. Prepare your camera, load your luggage, and prepare to uncover the enchanted islands of Japan and Korea for yourself! 

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