Nestled on the water's edge on Nantucket Island, Mass., the White Elephant offers 53 guest rooms — many with fireplaces and harbor views — and 11 renovated one-, two-, and three-bedroom garden cottages. The resort, dating to the 1920s, has high-speed Internet connections in guest rooms. The Ivory Room and Sun Room accommodate meetings for up to 50 people. The White Elephant is owned and operated by Nantucket Island Resorts, which also include The Cottages at the Boat Basin (23 newly renovated cottages), Harbor House Village (with 104 guest rooms), Jared Coffin House (the historic, mid-18th-century home of a prominent shipbuilder), and The Wauwinet, a Relais & Chateaux property. www.whitelephanthotel.com

Fifteen minutes outside of Boulder, Colo., the Omni Interlocken Resort, Broomfield, is undergoing an $8 million renovation. A new 4,750-square-foot pavilion and new second pool were added late last year. The pavilion can accommodate up to 800 guests for dining and private functions. The total indoor/outdoor event space is now more than 40,000 square feet. The expansion also includes the addition of a new full-service spa, which opened last August. The resort's 27-hole golf course will soon feature the Kinetic Golf Academy. www.omnihotels.com

The Ritz-Carlton, Naples (Fla.) has completed a $22 million renovation of all 450 guest rooms and suites. Room enhancements include hardwood-floor entries, new carpeting, 400-threadcount Frette linens, twin-sized sleeper chairs, and 32-inch LCD flat-screen TVs. The resort has also added a beach pavilion for functions. The resort's Ritz-Carlton Spa has more than 30 treatment rooms. www.ritzcarlton.com

The Abbey Resort, in Fontana, Wis., has more than 40,000 square feet of function space. Its dedicated Geneva Lake Conference Center has nine meeting rooms. After a $40 million redevelopment, the resort's 334 guest rooms and suites have marble bathrooms and LCD flat-screen TVs. The resort features the 35,000-square-foot Fontana Spa, nine restaurants and cafes, and a 407-slip marina. www.theabbeyresort.com

The Resort at Paws Up opened last June on 37,000 acres in Greenough, Mont. Just steps from the Blackfoot River, the resort can accommodate 86 guests and offers fly-fishing, horseback riding, mountain biking, and more. A new Spa Tent and Saloon Tent will open this year. www.pawsup.com

Arizona's Scottsdale Plaza Re-sort, on 40 acres near Camelback Mountain, has 404 guest rooms, including 180 newly remodeled suites. Also on site: five swimming pools, tennis courts, a fitness center, racquetball courts, and a whirlpool spa. The resort has over 30,000 square feet of meeting space. www.scottsdaleplaza.com

The Newport Beach Marriott Hotel and Spa in Southern California has completed a $70 million renovation, including a redesign of its 254 guest suites and the opening of the Pure Blue spa. http://marriott.com/property/propertypage/NPBST

The Westin St. Maarten Dawn Beach Resort & Spa is under construction; the 310-room resort is scheduled to open this fall with more than 20,000 square feet of indoor and outdoor flexible meeting and event space, including a 10,000-square-foot ballroom. www.starwoodhotels.com

The Westin Casuarina Resort & Spa — Grand Cayman became an entirely smoke-free facility in February. The 340-room resort has been renovated and has added a business center and wireless Internet in the lobby. There are seven meeting rooms and two ballrooms. www.starwoodhotels.com

The Occidental Grand Aruba Resort, a luxury all-inclusive, is scheduled to open this month. The former Allegro resort has undergone $24 million in renovations and now features 391 rooms and suites, a spa, a casino, and the Royal Club. A 50-room, boutique-style hotel within the resort will offer private check-in, a restaurant, and 24-hour room service. www.occidentalhotels.com

The 448-room JW Marriott Cancun Resort & Spa was scheduled at press time to open June 1 after reconstruction and renovation projects following Hurricane Wilma. The 35,000-square-foot spa offers Mayan-inspired treatments. www.marriott.com

Curtain Bluff Resort in Antigua offers 72 beachfront suites and rooms. Its conference room can accommodate up to 60 people. The resort has four lighted tennis courts, a squash court, lawn croquet, and a fitness center; a new spa will open soon. www.curtainbluff.com

The Eden Rock Hotel St. Barths has just completed a $25 million renovation. Five new beachfront villas and eight beachfront suites have been added, bringing the total to 32. www.edenrockhotel.com.