1930s swimwear was the beginning of swimsuits as we know it today. Tank top styles with a tight skirt or boy shorts on the bottom are modest by today’s standards but incredibly cute and flattering on most body types. Learn about 1930s swimsuit history here. The 1930s swimsuits have not gone mainstream like retro 1940s and 1950s styles so the selection is limited. These are some of our favorite 30s bathing suit designs available online- both vintage reproduction and new vintage-inspired swimsuits. Happy swimming, 1930s style!