Three days of sun, sand, and celebration call for gossamer gowns, slinky styles—and, yes, even a bikini. Let the beach bash begin.

Take a break from the action and still look every bit the bride in a white cover-up featuring a cotton-lace floral pattern;$295, Milly . Bikini, Letarte by Lisa Cabrinha. Sunglasses, Ray-Ban. Earrings, BCBG Max Azria. Ring, Kenneth Jay Lane.

Beauty Note: A sunny setting demands a fresh citrus scent. Try Esteé Lauder Bronze Goddess Soleil eau fraîche spray.