Martin Lake boat ramp is located on the southwest side of the lake within Lathrop State Park, a 1,451-acre Colorado state park near Walsenburg.

The ramp provides access for motorized watercraft and is part of a park that offers 103 campsites, picnic areas, and multiple trails with scenic views of the Spanish Peaks.

A valid state park pass is required for entry ($10 daily vehicle pass or $4 individual daily pass).