About Köpmanholmen
On the way north from Pietarsaari before the Köpmanholmen excursion port, there is a Sonamo fuel distribution point, which also has a guest dock. There is a marina in the immediate vicinity of the distribution point, which can also accommodate 61 of guest boats.

Facilities
COORDINATES
63.80689 N, 22.67131 E
Port Information
Telephone
Berth Sizes
< 10m
Depth at MLW
< 2m
Manoeuvrability
Good
Channel Marking
Fair
Port of Entry
No
Overseas Visitor Berths
Yes
Dock Type
Floating
Tidal Flow
Nil
Weather Forecast
Tue
5AM - 9AM
19 May 2026
- NE 6–10 knots. Gusts up to 17 knots.
- 9°C
- Calm sea
- UV Index: 0 - Low
- Cloudy
Tue
9AM - 1PM
19 May 2026
- NE 9 knots increasing to 11 knots. Gusts up to 16 knots.
- 10 to 13°C
- Calm sea
- UV Index: 0 - Low
- Cloudy
Tue
1PM - 5PM
19 May 2026
- NE 10–13 knots. Gusts up to 19 knots.
- 10 to 13°C
- Calm sea
- UV Index: 0 - Low
- Chance of showers