Southgate is a shopping destination located in New Port Richey, FL. As a Community Center, it occupies a prime spot at US Hwy. 19 (State Rd. 55) & Marine Pkwy.. Since opening in 1966, Southgate has been refreshed with a renovation completed in 2006. Shoppers can explore 238,355 sqft. of retail floor space featuring approximately 37 stores. The mall offers 983 parking spaces for visitors.