Hilton Head Island, S.C. — Slapfish, a fast-growing, fast-casual seafood restaurant, continues expansion in the Southeast with its first stand-alone location in Hilton Head Island, S.C. The restaurant is a conversion of a former convenience store site. Building on the Pooler, Ga., grand opening late last year, Hilton Head marks the second Slapfish location owned and operated by the Lomasney family franchise group. The Lomasneys converted a former convenience store into the modern restaurant space, including a walk-up ordering window to take advantage of Hilton Head’s expansive biking and walking …