Retro is back, and whether you're staying at Caribbean villas or enjoying the turquoise beaches of the Mediterranean, you won't want to be stuck in last season's fashions.

Top designers are rolling out their retro wear, including Zimmerman Savannah, which recently released its summer line of flattering one-piece suits that will hug your curves without looking too scandalous. The floral-print strapless suit comes with a waist-defining belt and can be worn at the beach and during a night on the town - just throw on a pair of trousers.

Bold is in for men's beach fashion, and for a retro spin on a vacation at luxury rentals, guests can pack a pair of Perry Ellis swim trunks. Harkening back to the 20s, when beachwear looked more like clothing than something you could wear in the water, Perry Ellis' swim shorts have large grey-and-white stripes that can work both in the sand and on the streets.

After stocking your vacation wardrobe with retro class, don't forget to pack a few tubes of sunscreen: the most important fashion statement you could make.