If you need a new swimsuit, visit H.P. Swimwear at the Waterside Marina Del Rey for the latest trends. The store also sells cover-ups, flip-flops and bags. Want to know what swimsuit design is in? The staff will tell you. (Right now it's the Brazilian.) Want to know what's hot at the beach? It's no longer skimpy that's sexy. The store sometimes hosts trunk shows and designer showcases.