Is Galle Dutch Fort completely free to enter?

Yes, going into the Galle Dutch Fort complex is completely free, and you can walk the old ramparts, little lanes, and the seaside routes with no admission. Yet, the individual museums and a few particular historic buildings inside the area do charge separate entry tickets, so those are paid locations.

This place is recognised as a UNESCO World Heritage site, and it works like an active, breathing neighbourhood rather than just a monument. There are public roads, people living there, cafés, and small boutique hotels too. You can take in the famous sunset views from the walls and even photograph the lighthouse without paying anything. If you decide to step into the Maritime Museum or the National Museum of Galle, then you will need to buy tickets at their respective entrances.