When you come from the mainland you have to take the ferry from Sandnessjøen to Dønna Bjørn. Find the departure times here:

https://www.boreal.no/rutetilbud/ferge-og-hurtigbat/nordland/

From Dønna Bjørn you have to go to Dønna Solfjelljøen (by car, bus, taxi), where you can enter the ferry to Vandve. Find the departure times here:

http://barentsmaritime.no/fergeruter/

The atelier is situated at the Halibutskole Vandve (the old school of Vandve), which is 400 m away from the ferry dock.