Getting to Finnhamn

Archipelago ferry

Scheduled Waxholmsbolaget ferries from Stockholm.
Also scheduled trips from Stockholm with the Cinderella ferries parts of the year.
Waxholmsbolaget
Cinderellabåtarna

Bus

SL bus to Boda or Lillsved on Värmdö, transfer to archipelago ferry which goes at certain times.
Stockholms Lokaltrafik