Nashville, Tenn. — Captain D’s, the nation’s leading fast-casual seafood restaurant, has experienced a surge in franchise development throughout 2021, reporting 18 new agreements signed to develop 43 locations in key markets nationwide over the next several years. Half of those agreements are with existing franchisees. Motivated by impressive AUVs and strong sales comps system-wide, Captain D’s franchisees continue to invest in the brand and expand its footprint in their markets, reflecting the viability of its franchise model and attracting new operators to the system. “Captain D’s momentum has been …