Lostreef is Lostwave's Towny town. It is the largest town in Adventureland and has several different sections. It also includes the entire Spawn area.

It also contains /Warp Arena which was built by ITIurray in January 2012. This is a hockey stadium which is also used for PVP.

It also contains /Warp PVP which was built by FKae86. This is a replica of the roman colosseum which is also used for PVP.

Only the best builds and builders are allowed into Lostreef. Some say it is their goal in life to be accepted into the town.