List of Jamba Juice Stores in San Marcos, CA Outlet Note Regular Brands Jamba Juice California San Marcos Rating 4.6 based on 61 votes Official Website http://www.jambajuice.com/ Products Fruit Refreshers Smoothies Juices NameAddressPhone Name/Address/Phone Jamba Juice outlet - San Marcos Student Union, 1140 W. Mission Rd (760) 744-1150 Jamba Juice outlet - San Marcos 591 Grand Ave., Ste. 100 (760) 471-9404 People Also Viewed