Access Restrictions
Sandhamn is a military base with restricted access, so plan your visit accordingly.





Sandhamn, also known as Santahamina, is a notable island in Eastern Helsinki, Finland. It serves as a military base, primarily housing the Guard Jaeger Regiment and the Finnish National Defence University. Due to its military significance, access to the island is restricted, making it an intriguing yet exclusive location. The island also plays a role in Finland's communication infrastructure, with the C-Lion1 undersea cable coming ashore here. While it is not accessible to the general public, Sandhamn remains an important part of Helsinki's landscape, reflecting the city's strategic military operations.
Sandhamn, also known as Santahamina, is a notable island in Eastern Helsinki, Finland. It serves as a military base, primarily housing the Guard Jaeger Regiment and the Finnish National Defence University. Due to its military significance, access to the island is restricted, making it an intriguing yet exclusive location. The island also plays a role in Finland's communication infrastructure, with the C-Lion1 undersea cable coming ashore here. While it is not accessible to the general public, Sandhamn remains an important part of Helsinki's landscape, reflecting the city's strategic military operations.
Home to the Guard Jaeger Regiment.
Location of the Finnish National Defence University.
Strategically important military base.
Restricted access due to military presence.
Restricted access due to military presence.
Significant military operations and institutions located here.
Sandhamn is a military base with restricted access, so plan your visit accordingly.
The island is home to the Guard Jaeger Regiment and the Finnish National Defence University.
Military history enthusiasts and those interested in strategic sites.
EUR €
Finnish, Swedish, English
The C-Lion1 undersea cable lands here, highlighting its strategic importance.
Restricted access year-round
Spring offers mild weather, but access remains restricted due to military operations.
Summer is pleasant, yet visitors should note the island's restricted access.
Fall sees cooler temperatures; access is still limited.
Winter is cold, and the island remains a restricted military area.