The lake is home to the T'bolis, a highland tribe that has its roots in South Cotabato. The local tribesmen consider Lake Sebu not only as a God-given food basket but also a miraculous body of water that never dries up.

The site of the DOLE Philippines (DOLEFIL) Clubhouse, the Kalsangi Golf Course is laid out beautifully at the foot of Mt. Matutum. It consists of the housing project for DOLEFIL executives, a school, restaurant, swimming pool, golf course, and guest house. It is also a jump-off point for climbing Mt. Matutum.