La Boca is an unincorporated community and census-designated place (CDP) in San Juan County, New Mexico, United States.

New Mexico State Road 511 passes through the community, leading south 18 miles (29 km) to Navajo Dam.

To the north, the road becomes Colorado State Highway 172, leading 9 miles (14 km) to Ignacio.

La Boca is bordered to the east by Los Pinos River, which flows southward to join the San Juan River in Navajo Lake.

This New Mexico state location article is a stub.