Tucked between the harbor and a sprawling magnolia tree, the Snapper is open to sea breezes and the call of seagulls. Inside the vaulted space, ceiling fans stir the air, and laughter floats from table to table. Guests try out seafood po' boys, fresh fish and smoked pork and ribs, or they opt for one of the blue plate specials, which range from crab cakes to Caribbean chicken and a vegetable...