Submarina is mounting a sneak attack to the east.

nctimes.com — From its base in North County, a fleet of subs is mounting a sneak attack to the east. New franchises of Submarina, a San Marcos-based sandwich chain, have surfaced this year in Florida, Michigan and Tennessee. Another two dozen franchisees were recently commissioned and are hunting for locations in Houston, Washington, D.C., and other cities, sai