Morley Field Disc Golf Course. Disc golf is a popular local sport that's like golf, except it's played with Frisbees. The Morley Field course, in Balboa Park, is open daily from dawn to dusk. Frisbees are available to rent for a small fee, and there's also a small fee for using the course (it's first come, first serve). Rules are posted for those new to the sport. 3090 Pershing Dr., Balboa Park, San Diego, CA, 92104. 619/692–3607. www.morleyfield.com.