m/s kerttu

Cruises on M/S Kerttu

Enjoy the sun and the waves

Cruises on M/S Kerttu are organised in Uusikaupunki during open water season. On board Kerttu, you can cruise to the lighthouse island, do a sightseeing tour of the archipelago, or spend and evening enjoying the nice atmosphere. Kerttu is also available for chartered cruises.

From June to August Kerttu sails to the Isokari lighthouse island on a regular schedule. The Isokari cruise includes, in addition to the return trip, lunch and a guided tour of Isokari as well as access to the lighthouse.

On Fridays during high summer, Kerttu does sightseeing tours of the inner archipelago: on the 2-hour evening cruise you can enjoy the relaxing sea, fun programme and Kerttu's summery treats. The ship is fully licensed to serve alcohol.

Tickets for a trip to Isokari can be booked online. Tickets can also be purchased directly from the ship on the day of the trip if there is room left.

Kerttu’s departure pier is at the city guest harbour, right behind Pakkahuone. Welcome!

Cruises to the Isokari lighthouse island

June 3–14 Wed, Thu, Fri, Sun

June 23 – August 8, Tue–Sun

August 12–23 Wed–Sun

Departure at 10.30 am, return around 5.30 pm

Prices: adults 59–69 €, children 4–12 yo 29–35 € (incl. activity book for the smallest skippers)
children 0–3 yo free admission.                        

June 3–14 and August 12–23 you can also get return journeys (does not include guided tour, entrance fee to the lighthouse or lunch); adults 42 €, children 4–12 yo 15 €, children 0–3 yo free of charge.

Friday cruises

Enjoy Uusikaupunki summer from the sea.
Fridays, July 10–31
from 6 pm to 8 pm.
Tickets in advance from 18 € / 9 €

Other cruises on M/S Kerttu:

Seal safaris
May 2, May 3, May 9, May 16, May 17, June 6, and June 13.
June 6, June 7, June 13 and June 14
Includes visit to Isokari island


August 15–16 International Lighthouse Day.


Tickets and bookings

info [at] isokari.fi


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Tickets and bookings

Tel. +358 (0)40 1866 350