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Tunnel
7 dollar Car Wash
1433 S I-35 South Frontage Rd, San Marcos, TX 78666
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7 dollar Car Wash is a tunnel car wash in San Marcos, Texas.
A conveyor pulls your car through a line of washers, brushes and dryers — the fastest way to a clean car, usually in a few minutes.
- Type
- Tunnel car wash
- Location
- 1433 S I-35 South Frontage Rd, San Marcos, TX 78666
- Hours
- Not listed — check the sign at the entrance.
- Payment
- Credit cards and debit cards
- Coordinates
- 29.89234, -97.91548
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Updated September 2026 · Report a change for this car wash