"The Flamingo Kid," which arrived in theaters in 1984, is a coming-of-age movie set on the beach. I often find myself drawn to films like this because of their youthful vibe and lightheartedness, as well as the seaside settings and female characters—they evoke memories of carefree days. The film thankfully aims for more than just surface-level entertainment, which is what distinguishes the really good ones do, such a…