Talos Island Beacon Badge
You have unlocked the capability of creating a teleport beacon to Talos Island.
How to Get
Note that visiting these locations while not in supergroup mode will not advance towards earning this beacon badge, even though it will earn the personal exploration badge for that marker.
The Talos Island Beacon location is (895, 160, 6895), which is the west side of main island, on the ridge just north of where the highway hits land.