Lions Park 570 W 18th St, Costa Mesa, CA 92627 Public restroom · Dogs allowed · Picnic tables Located right next to the Costa Mesa Donald Dungan Library so it’s a great place to spend the day! #socal #orangecounty #oc #costamesa #newport #newportbeach #discovercalifornia #southerncalifornia #everydaycalifornia #park #playground #orangecountyca #tustin #orange #santaana