Craig Reaves loves his office: The southern coastal waters of the Atlantic Ocean. The owner of Beaufort-based Sea Eagle Market was among 20 shrimp boat captains who were at work Thursday, plying the waters near Pritchards Inlet near Fripp Island. It was opening day of the commercial shrimp trawling season, which is a big deal in a state where shrimp is the favorite Seafood and cities name festivals in honor of the delicious crustaceans.