Days Inn San Marcos is located on the Interstate Highway 35, five blocks from watersports on San Marcos River. Aquarena Springs and Wonder World Cave are only minutes away. Austin's airport is approximately 25 miles away, while San Antonio's airport and attractions (like Sea World and Six Flags) are within 50 miles.

For the recreationally inclined, there is an outdoor pool within the picnic area. Every morning, guests can enjoy a complimentary continental breakfast. The inn also offers ice/vending machines, 24-hour front desk, free parking, free local calls, and safety deposit. Pets are allowed.

Each room has air-conditioning, AM/FM clock radio, hairdryer, dataport phone, and cable television. Refrigerators and microwaves are available on request. Non-smoking and handicapped-accessible rooms are available. Rates are based on double occupancy. Charges for extra adults may apply and will be due directly to the hotel.