Mama Bear's Cave is an Environment location in Raft.
Summary
Mama Bear's Cave is found on Balboa Island and contains the Blueprint: Machete along with a single Machete. It's protected by Mama Bear herself, who will attack any player that comes too close to the cave. The cave also contains a number of Dirt piles and Cave Mushrooms. The Dirt and Cave Mushrooms will respawn after the player has left Balboa Island and sailed far enough away. To despawn and respawn a story island you the must go at least 2500 meters away from the story island until it spawns in another location.