1. Go retro in a Norma Kamali Tara Mio jersey bathing costume (it’s not technically a swimsuit). The red contrasts brilliantly with the white sand—and flatters any figure. NormaKamaliCollection.com; $350.

  2. The perfect accessory for a day out on a chartered yacht? A tote crafted from recycled sailcloth, by 360 Degrees. Vat19.com; $95.

  3. Nothing shows off his sailor side like a skipper uniform. Striped polos and seersucker shorts from Paul & Shark should do the trick. Paulshark.com; shirts, $275, shorts, $235.

  4. Move effortlessly from the privacy of your chaise longue to the clinking of Dark and Stormies at the One Shoe Beach Bar in this Gottex Monokini Dress. Gottexmodels.com; $398.

  5. Protect that youthful glow with Skinceuticals Physical Fusion UV Defense. It comes in sizes small enough to carry on—this island loves last-minute refugees from the hamster wheel. Skinceuticals.com; $30.

  6. Your puckers deserve protection, too! Fresh’s Sugar Lip Treatment is a cult favorite for sun worshippers; it smells like candy. Fresh.com; $20.

  7. The catlike silhouette of Smith Optics’ Shoreline polarized sunglasses keep out the glare and will have everyone on the beach wondering, Who’s that girl going to the Ixora Spa? Smithoptics.com; $139.

  8. Argentine wunderkind Marcelo Senra sources fabrics (like raffia) from local artisans for his super-chic caftans. Marcelosenra.com; $450.

Clockwise from top left: Courtesy Norma Kamali; Courtesy vat19.com; Courtesy Paul & Shark, USA (3); Courtesy Gottex; Courtesy Skinceuticals; Eric T. White; Courtesy Smith Optics; Frazer Harrison/Getty Images for Consul General of Argentina.