Helsinki's Fortress Islands: Guided Sea Tour

Embark on a guided cruise through the archipelago of Helsinki to explore the historic islands of Suomenlinna, Vallisaari and many more. Visit Isosaari and explore one of the key fortresses.
Discover Helsinki’s most historic and beautiful islands on a guided cruise. Learn about the city’s rich maritime heritage as you cruise through Suomenlinna, Isosaari, and other fortress islands.

Hop aboard and set off on a 2.5-hour journey through history and nature. Onboard, our knowledgeable guide weaves vivid tales of Lonna, Suomenlinna, Vallisaari, Santahamina, and Isosaari, transporting you back to history of the islands, seafaring, and archipelago life.

Enjoy a rare chance to visit Isosaari island, which is currently closed to the public (no public transportation). If weather conditions do not allow it, we will stop at Vallisaari instead.

Sip on a cup of coffee or tea as you take in the views of the fortress islands.
The vessel is equipped with WC and indoor and outdoor space, allowing you to enjoy sunny weather or hide in a comfy space from the wind or rain. This cruise is operated by retro vessel, either m/s Tuulsipää or m/s Gädda.

FRS Finland is committed to sustainable values. We are certified with Eco Compass and we have Sustainable Travel Finland label.

To guarantee availability book as soon as possible. Early booking is worth consideration especially if you planning the trip during high season like public holidays or weekends.

This excursion you can cancel with no cost up to 24 hours before the start of the trip. If you cancel it after 24 hours or not show up on the excursion you will still be charged the full price of the activity. Being late on pick-up or departure will be considered as not showing up.