City Park provides convenient access to the San Marcos River with 268 parking spaces, amenities including restrooms, picnic areas, and a playground across 18 acres.

Visitors can launch kayaks, canoes, paddleboards, or tubes directly from this access point, with tube rentals available on-site via Lions Club Tube Rental.

Note that paid parking ($5/hour, $15/day) is required for non-residents as of July 2025, though San Marcos residents can register vehicles for free parking.