There are three Cullen parks. The sports complex, often too crowded, but active when the ball park lights go off. Park across the street from sports complex; enter from Saums road. Lots of gay cruising going on here. My fave; the park across from west Houston airport; enter from Groschke Rd. Lots of couples use this as a make out spot. Have seen some out in the open dogging under the pavilions at night
Park and walk the beach toward south jetty.