Four all-inclusive nights in a standard room at the Riu Playacar, a beachfront resort with two restaurants, four bars, two pools, two tennis courts, water sports, a gym, and a spa. When: July 1--Aug. 22 (from $494 per person, double). Details: Airfare is not included. Single supplement from $255. Seven-night stays start at $834. Optional excursions include swimming with the dolphins at Wet'nWild ($73), a dinner cruise to Isla Mujeres ($75), and a day trip to Chichén Itzá ($75). With Riu's "stay at one, play at all" promotion, guests can also enjoy the amenities at any Riu property at no additional charge. Contact: Funjet Vacations, funjet.com, or book through a travel agent.

Puerto Vallarta $485

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Air from Phoenix, transfers, three all-inclusive nights at the Hacienda Hotel & Spa across the street from the beach (with three restaurants, three bars, and a pool), and all taxes and fees. Also includes a 35-minute massage or a 35-minute reflexology foot massage and a $10 discount on another spa treatment. When: Select Monday and Tuesday departures until July 31 (from $485 per person, double). Details: Extra nights from $75. Single supplement from $124. Other Gateways: L.A., Las Vegas, San Diego ($525). Contact: US Airways Vacations, 800/455-0123, usairwaysvacations.com.

CARIBBEAN

Anguilla $269

A bachelorette party at the Arawak Beach Inn, including transfers, three nights' lodging (in two oceanfront rooms), breakfast daily, a six-pack of Carib beer upon arrival, "bachelorette paraphernalia" (veil, feather boa, and disposable camera), a full-day excursion to an uninhabited island (picnic lunch and transportation on a boat captained by one of Anguilla's most eligible bachelors), a one-day car rental, and a five-minute phone call to the groom. When: June 1--Oct. 31 ($269 per person, quad). Contact: Arawak Beach Inn, 877/427-2925, arawakbeach.com.

Dominican Republic $600

Air from Chicago, Detroit, or St. Louis, transfers, and three all-inclusive nights in a Platinum Club suite at the Princess All Suites Resort & Spa in Punta Cana. The beachfront property has seven restaurants and bars, two pools, four tennis courts, and a gym. Also included: a 20-minute massage, one hour of motorized water sports, one open-water dive (for certified divers), and a dinner at either La Cava or El Pescador, specialty restaurants not covered by the all-inclusive plan. When: July 5--Aug. 23 (from $600 per person, double). Other Gateways: New York, Philadelphia (from $740). Details: Extra nights from $100. Single supplement from $100. Contact: Apple Vacations, applevacations.com, book only through travel agents.

Nevis $995

Five nights in a two-bedroom superior suite at the Mount Nevis Hotel (with a terrace, living room, and kitchen), transfers, a welcoming rum punch, breakfast daily, three dinners, a five-day car rental, one in-room massage, a snorkeling trip to St. Kitts on a catamaran, and a professional photo of your group. The Mount Nevis Hotel is on a hillside overlooking the sea and has a large pool and two restaurants; shuttle service is provided to a nearby beach club. When: Until Dec. 15 ($995 per person, quad). Details: Airfare is not included. Extra nights $125 per person, room only. Guests will receive a free night at the hotel if they return next year--alone or with their girlfriends. Contact: Mount Nevis Hotel, 800/756-3847, mountnevishotel.com.

St. Lucia $590

Four nights in two garden-view rooms at the Coco Palm boutique hotel in Rodney Bay Village; dinner and dancing at an authentic Caribbean fish fry/street party (includes transfers, drinks, meal) or dinner at Ti Bananne, a new creole restaurant in Rodney Bay Village; a one-hour outdoor massage or a manicure and pedicure; a private yoga or tai chi class for your group; and a picnic lunch on the beach. When: Until Dec. 21 ($590 per person, quad). Blacked out May 7--14. Details: The price does not include airfare. Extra nights from $125. Contact: Coco Resorts, 758/456-2800, coco-resorts.com.