Alt Harbor is the island in Spiritfarer where Stella first appears after talking to Charon at the Everdoor. This is where Stella encounters Gwen and acquires her boat.
Description[]
Before Cleaning[]
The remains of an old Shipyard.
After Cleaning[]
An old Harbor that's been cleaned up.
Quests[]
Hummingberg Preservation Society[]
This shenanigan is given here sometime after Stella unlocks the blueprint for the Windmill. The quest reward is the blueprint upgrade for the Windmill.