San Marcos CVB San Marcos CVB Search | Advanced Search | New Members | Coupons and Discounts | All Categories Other >> Affiliate San Marcos CVB 617 North IH 35San Marcos, TX 78666 | map | directions Rebecca Ybarra-Ramirez 512-393-5930 | 888-200-5620 | fax: 512-393-5912 Visit Site Member Since: 1992