P9 San Marcos is the second club from Padel N9NE, which also runs a club in Sorrento Valley, San Diego. It is at 222 North City Drive, Suite 107, on the North City campus next to CSU San Marcos, and the club says it opens in November 2026. The club has four padel courts, with a clubhouse across the street that has drinks, snacks, a shower and a pro shop. The club offers pro coaching, level-based clinics, private lessons and social mixers.

Non-members can book courts and join programming, and members get discounted bookings and a longer booking window. Courts are booked in the Padel N9NE app, on the website or by calling the front desk. Founding memberships are on pre-sale, and a dual-location add-on covers both the San Marcos and Sorrento Valley clubs.