m/s kerttu

Cruises on M/S Kerttu


Cruises on M/S Kerttu are organised in Uusikaupunki during the open water season. On board Kerttu, you can cruise to the lighthouse island or do a sightseeing tour of the archipelago. 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. There are also cruises from Kustavi to Isokari in July.

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. For the sightseeing trip on Friday, you can buy your ticket directly from the ship.

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

Cruises to the Isokari lighthouse island from Uusikaupunki

May 10, 12, 17, 19, 26 and 31. June-August: Wed-Sun (Wed, Thu, Fri, Sat and Sun).

Midsummer's Eve June 21 from 5-10 pm.  Midsummer´s Day June 22 no cruise. 
Yoga weekends May 17-19 and August 23-25.

International lighthouse day Sat 24 August from 3-10 pm.

Ancient Fires cruise to Isokari August 31 from 4-11 pm.  
September 6-15 Friday, Saturday and Sunday. 
September 21-29 Saturday and Sunday. 

Timetable: Uusikaupunki–Isokari 10.30 am – 12 pm.
Isokari–Uusikaupunki 4–5.30 pm.   

Tickets:  adults 78 €, children 4–12 yo 35 €
children 0–3 yo free admission.
Price incl. return sea transportation, lunch at Isokari, guided tour of Isokari, and admission into the lighthouse. 

To the Isokari lighthouse island from Kustavi

June 28-29 Fri and Sat from 2.30-8 pm. 
In July Wed, Fri, and Sat from 2.30-8 pm. 
In August until 17 Wed and Sat from 2.30-8 pm.

Departure from Kustavi, Lootholma, Kuninkaantie 193, Kustavi. 

Prices: adults 85 €, children 4–12 yo 42 €, 0-3 yo free admission.
Price incl. return sea transportation, guided tour of Isokari, coffee and sandwich at Isokari and admission into the lighthouse.

Bird-watching trips to Isokari

May 5, 12, 25 and June 8. Departure from Uusikaupunki at 9 am, return at 5.30 pm. Prices 85 € /adult, 40 €/4-12 yo child.

Seal safaris to the Sandbäck seal reserve

May 4, 9, 11 and 18. Also June 15. Departure from Uusikaupunki at 9 am, return at 5.30 pm. See the travel package: merikauppa.isokari.fi
Prices: adults 130 €, children under 12 yo 60 €. Price incl. sea transportation Uki-Sandbäck-Isokari-Uki, coffee on board, lunch and admission into the lighthouse.

Friday sightseeing-cruises

June 28. July 12, 19 and 26. Also August 2 from 6-8 pm.  Tickets adults 20 €, children 4-12 yo 10 €.

Saturday evening cruise

A relaxed evening at sea with a program. June 29 and July 13, 20 and 27 from 6-8 pm.  Tickets 20 €.



Tickets and bookings

info [at] isokari.fi


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Tickets and bookings

Tel. +358 (0)40 1866 350