Home › Venues › Rockharbor Rockharbor Tickets Buy tickets for concerts at Rockharbor in Costa Mesa, CA. No Upcoming Events No upcoming events scheduled at Rockharbor. Please contact us with any corrections. Hotels & Lodging Near Rockharbor About the Venue Rockharbor At-a-Glance Address345 Fischer AveCosta Mesa, CA 92626United States Map & Directions Advertisement