From Interstate 35 Frontage Road and Aquarena Springs Dr, San Marcos, Texas, drive southwest on IH 35. Take the ramp to your left onto I-35 S. Take exit 202 toward Wonder World Dr/Farm to Market Road 3407. Merge onto IH 35. Make a left turn onto Farm-To-Market Road 3407/Wonder World Drive. Make a left turn onto Leah Ave. Cedars of San Marcos Apartments will be on the right.