Night Marsh is Marathon's Season 2 headline map — darker, denser, and full of third-party angles. Bungie added it to shake up a meta that had solved Perimeter.
Learn the sound profile
Night Marsh muffles distance more than Perimeter. Close fights happen without warning — headphones are mandatory.
Loot routes
High-traffic contracts pull teams to the same POIs. Hit outer buildings first, then sweep inward when fights erupt elsewhere.

Image credit: IGN
Third-party discipline
Let other teams fight, then collect. Sentinel traps shine here if you play that shell — see shell guide.
Campers love exfil ridges. Check Marathon radar tools discussions if you want to understand how players spot rotations early — or just play slower and listen.

