Holiday Highlands Park is a 2 acre park featuring picnic area, playground area, multi-use field, bike racks and lighted pathways.

Rankin Park is a 41 acre park featuring swimming and diving complex, picnic areas, horseshoe pits, lighted softball field, restroom, playground area and gazebo.

Martinez is a city and the county seat of Contra Costa County, California, in the East Bay region of the San Francisco Bay Area. Located on the southern shore of the Carquinez Strait, the city's population was 38,290 at the 2020 census.

The Radke Martinez Regional Shoreline Park offers visitors a variety of experiences. There are group picnic areas, Baseball fields, bocce ball courts and soccer fields in the eastern section of the park, operated by the City of Martinez.

Hidden Lakes Park features two ballfields, basketball court, sand volleyball court, multi-use field, jogging track, concession building, restroom, two tot play areas, trails to Hidden Valley Park and around the lake and a large parking lot.

Briones Regional Park is a 6,117-acre (24.75 km2) regional park in the East Bay Regional Park District system, located in the Briones Hills of central Contra Costa County of the San Francisco Bay Area in California.

Fernandez Ranch is the largest Bay Area park and nature preserve located in Martinez, CA. The park is owned and managed by the East Bay Regional Park District and is located at 1081 Christie Rd, Martinez, CA 94553. The park covers over 700 acres and features a variety of hiking trails, picnic areas, and scenic views of the surrounding hills and valleys.

Carquinez Strait Regional Shoreline comprises 1,568 acres of bluffs and shoreline along Carquinez Scenic Drive between the town of Crockett and the hillsides overlooking Martinez.