There are a couple of convenience stores here in Forest Lakes:

Forest Lakes General Store, "downtown" Forest Lakes (on the south side of highway 260).

Rim Resort on the east side of Forest Lakes (north side of highway 260), they also have gas and an ATM.
They are closed during winter months November through April.

Fishing	Hunting
Hiking	Horse riding
Boating / Canoeing	Picnicing
ATV'ing and 4x4'ing	Mountain Biking
Petrified Forest	Tonto Natural Bridge
Grand Canyon, Petrified Forest, Canyon de Chelly, and other Arizona National Parks	Tonto Natural Bridge, Homolovi Ruins, and other Arizona State Parks
Animal Watching	Indoor Activities
Restaurants	Shopping