Before enjoying the sun, sand, and surf, find a suitable swimming costume.Shore ThingA high-waisted retro bikini ($322) from Rachel Comey’s debut swim collection has us ready for Beach Blanket Bingo.Bottoms UpBeach bums who lose their pants are just called bums. Keep yours covered in rad rope-print board shorts ($15).It’s ElectricShine brighter than the sun in an electric yellow maillot ($45). Add shorts, and it doubles as a top.Ten out of TenYour swan dive fell flat into a belly smack. Make a different kind of wave in Giejo’s mixed-print bikini ($210).Take CoverMara Hoffman’s beaded dashiki ($330) keeps you cool and covered when lounging shoreside. Float over to our bathing suit Roundup for more seaworthy finds.