Port St. Lucie Seafood Festival - The Premier Seafood Festival on the Treasure Coast “Where the Fish is Fresh, the Beer is Cold, and the Smiles are Always Warm.” A two-day outdoor festival with great seafood, arts & crafts vendors, exhibitors & tasty cocktails held on the grounds of the Mid-Florida Events Center - 9221 SE Event Center Pl. Port St. Lucie, FL A Seafood Adventure! Enjoy a delicious variety of seafood and tropical drinks while you browse an amazing collection of arts & craft and nautical vendors, exhibitors and artists. Younger children will have loads of fun in the "Little Fins Kids' Zone" Adults will enjoy the attractions as well as two stages of entertainment. Plenty of Free onsite parking.