It has a coast approximately 90 km (56 mi) long and a depth of 2 metres (6 ft 7 in).

One finds the municipalities of Sayula, Amacueca, Techaluta de Montenegro, and Atoyac around the lake.

But Laguna de Sayula is especially important because of its relation to the migratory habitats of the North American birds.

The tropical deciduous forest vegetation can be found in higher altitudes, atop of hills and islands on the lake.

The flora that can be found around the lake includes: The wildlife found around the lake is very diverse; it is common to see birds in the winter, of the species Chen caerulescens, Chorlito tildío, and Charadrius vociferus, along with turtles, eagles, insects and hawks.