There are dozens of outposts and settlements you can visit throughout Skull and Bones, but few are more important than the Sacred Tree. Not only is the Sacred Tree outpost the gateway to different parts of the map, making fast travel easier, but it also holds a couple of exclusive resources.
You can learn of the Sacred Tree outpost in a couple of ways, but eventually, you’ll need to visit it if you want to progress further in Skull and Bones. Below, you can see the exact location of the Sacred Tree outpost as well as what resources you’re able to find there.