Northen harbour for smaller boats, right beside the Nolia exhibitions area in the centre of Piteå. There are some guestplaces for visitors. Here's an OK Marina where you can buy gasoline or diesel and a small kiosk, two restrooms and showers, with washing possibilities for clothes and of course fresh water.
All about 5 minutes walk från the centre of Piteå.
The northern harbour at the southern harbour is from where the sightseeing boats start.