The Stockholm Archipelago is one of the biggest archipelagos of the Baltic Sea. It consists of more than 30,000 islands, islets and skerries, of which just some one thousand are inhabited. You can visit the archipelago by going on one of the many steamers or modern vessels. A great way of getting around is by purchase the 16-day archipelago pass, "Båtluffarkortet". It entitles you to unlimited boat travel throughout the archipelago.