On him: Navy blue cardigan with python trim from the Spring/Summer 2011 runway collection, price upon request, available at Gucci, Bal Harbour Shops, 305-868-6504, and Gucci, New York, 212-717-2619; navy blue briefs, $22 by Papi Underwear, available at www.papiinc.com; MaxiDiver in 18k rose gold with rubber bracelet, $20,500; available at UlysseNardin, Boca Raton, 561-988-8600
On Her: Knit bikini by Missoni, $553, available at Saks Fifth Avenue, Bal Harbour Shops, 305-865-1100; Vintage Alhambra collection necklace, and earrings, and Frivole two flower ring, price upon request, at Van Cleef&Arpels, Bal Harbour Shops, 305-864-4909, and Van Cleef&Arpels, New York, 212-644-9500
