Ulko-Tammio - The Offline Island

The jewel of the Eastern Gulf of Finland, the island of Ulko-Tammio, belongs to the National Park of the Eastern Gulf of Finland. The island is uninhabited and harbors rare birds and plants. Ulko-Tammio’s beautiful and lush nature, with its rugged rocky shores, is impressive. You can hike along well-marked nature trails on Ulko-Tammio, and the island’s bird tower offers a magnificent view of the national park.

During the wars, the island of Ulko-Tammio was fortified as an advanced frontier post along the new eastern border. Reminders of the island’s wartime history include a cave originally intended as a shelter for the crew during World War II and two restored cannons in their original positions.

Ulko-Tammio can be reached by your own boat, on sea cruises organized by MeriSet company or SpaHotel Hamina, or by catching a water taxi. The beautiful archipelago route from Kotka or Hamina to Ulko-Tammio Island takes from one to two hours depending on the weather and the vessel.

Named the travel destination of the year by the Finnish Travel Journalists’ Guild in January 2024, the Eastern Gulf of Finland islands await your discovery. Experience the mesmerizing beauty of this archipelago firsthand! Dive into the clearest waters for scuba adventures and marvel at the endless blue horizon. Your unforgettable journey starts here!

In summer 2023, Ulko-Tammio beckoned travelers to stow away their phones and revel in a digital detox amidst nature’s embrace. This pioneering initiative marked Ulko-Tammio as the world’s first offline island for tourist exploration.