Some of the most elegant suites at sea are the two Moderne-style Grand Duplexes on Cunard’s Queen Mary 2, dubbed Balmoral and Sandringham. Spanning two decks and measuring 2,249 square feet, the Queen Mary 2’s Grand Duplexes each have a spacious living room and dining area on the ground floor and a large master bedroom on the second floor. Floor-to-ceiling glass walls overlook the stern of the ship. Each of Queen Mary 2’s Grand Duplexes can be combined with four other adjacent suites to create a giant complex measuring more than 9,000 square feet — several times larger than the typical U.S. home. The Grand Duplexes’ master bedrooms are reached via dramatic, curving staircases. Like the rest of the suites, the bedrooms combine Beidermeier and Deco elements with the incorporation of dark woods, frosted glass and a light, creamy color palette. The Grand Duplexes on Cunard’s Queen Mary 2 come with around-the-clock butler service, and the butlers are available to arrange private parties. Butlers for the Grand Duplexes on Cunard’s Queen Mary 2 are available to arrange private parties, among other functions. Also offering two-deck-high suites on several ships including the recently unveiled Quantum of the Seas (shown here) is Royal Caribbean. Royal Caribbean’s newest ship, Quantum of the Seas, features some of the most elaborate suites at sea, including the two-deck-high, 1,640 square foot Royal Loft Suite. Sleeping up to six, the Royal Loft Suite offers a panoramic view over the back of the ship from a two-deck-high living and dining room level. The space has a dry bar and sofa that converts into a double bed. The Royal Loft Suite has an expansive, 415 square foot private balcony with a private whirlpool that overlook the back of the ship. The first floor of the Royal Loft Suite also features a separate media room with a sofa that converts into a queen bed. Adjacent to the media room in the Royal Loft Suite is a full bathroom with shower. The sink area of the downstair bathroom in the Royal Loft Suite. The shower in the downstairs bathroom in the Royal Loft Suite has a window overlooking the sea. A stairway leads from the first floor of the Royal Loft Suite to the main bedroom on the second floor. The main bedroom of the Royal Loft Suite, on the second floor, overlooks the main floor. The main bedroom of a Royal Loft Suite. The view from the second floor bedroom of a Royal Loft Suite across the main floor to the sea. The master bathroom of the Royal Loft Suite curves behind the main bedroom area and includes a large bathtub. The master bathroom in Royal Loft Suites have two sinks — one on each side of the bathtub. The master bathroom of the Royal Loft Suite also has a walk-in shower. In an unusual twist, the shower in the master bathroom of the Royal Loft Suite opens onto a private, 109 square foot balcony overlooking the side of the ship. Just off the main bedroom in the Royal Loft Suite is a giant walk-in closet. A personal safe is located in one of the closets next to the main bedroom in the Royal Loft Suite. The walk-in closet area next to the main bedroom of the Royal Loft Suite also has a desk area. A miniature bar is located below near the desk area of Royal Loft Suite. One of the most-discussed new suites of recent years has been the Reflection Suite on Celebrity Cruises’ Celebrity Reflection, the fifth and final ship in the line’s Solstice Class series. The ship made her North American debut on Dec. 1, 2012 with a sailing out of Miami. The Celebrity Reflection has the brand’s first two-bedroom suite called the Reflection Suite. The spacious Reflection Suite features bump-out windows for maximum views. The highlight of the Reflection Suite is a sea-view bathroom with a rain shower that juts out over the edge of the ship. The bathtub found in the main bathroom of the Reflection Suite. This is the Reflection Suite bar. The Celebrity Reflection’s Reflection Suite has comfortable seating in a living room with panoramic views of the sea. The Celebrity Reflection also is home to five large Signature Suites — another new category for the line. In the running for most spectacular suite at sea are the Owner’s Suites on Oceania Cruises’ Marina and Riviera. A bedroom in one of Oceania’s Owner’s Suites, which feature a mahogany Bel Air bed upholstered in steel-blue mohair and walls covered in Austyn cashmere. All of the rooms in the suites were decorated using Ralph Lauren furnishings by designer Susan Bednar Long. The marble-clad master bathroom in one of Oceania Marina’s three Owner’s Suites continues the dark wood and luxurious design by Ralph Lauren. Owner’s Suites feature large wrap-around balconies overlooking the back of the vessel that include an outdoor hot tub with a flat-screen TV. Passengers in top suites on Oceania’s Riviera and Marina have access to the Executive Lounge, which is staffed with a concierge. Oceania’s Riviera also is home to eight large Vista Suites created by noted designer Dakota Jackson. Ranging in size from 1,200 to 1,500 square feet, they all are located at the front of the ship and offer sweeping views over the bow And this is the master bathroom of a Vista Suite. Vista Suites include a large living room separated from the bedroom. Each of the Riviera’s eight Vista Suites also include a personal workout room. Each Vista Suite on the Riviera has a large balcony overlooking the front of the ship. The largest suites at sea are the giant Garden Villas located on the Norwegian Gem (pictured here) and sister ships Norwegian Pearl, Norwegian Jewel, Norwegian Dawn, Norwegian Star and Norwegian Jade. At around 4,200 square feet, the Norwegian Gem’s Garden Villas feature large living rooms overlooking the ship’s top deck as well as three bedrooms and a roof terrace and private garden with open-air dining area. The master bedroom of a Garden Villa on the Norwegian Gem features a king-size bed facing panoramic windows overlooking the sea. Attached to the master bedroom of Garden Villas on the Norwegian Gem are large master bathrooms with separate shower and bathtub. The two guest rooms attached to Garden Villa on the Norwegian Gem each have their own bathrooms and come with gourmet coffee makers. Passengers staying in Garden Villas on Norwegian ships have access to private Courtyard areas that have a pool, hot tub, gym equipment, steam room and top-of-the ship sundeck. The two guest rooms attached to Garden Villa on the Norwegian Gem each have their own bathrooms and come with gourmet coffee makers. Luxury line Silversea also has gone big with suites in recent years. Its latest ship, the Silver Spirit, features some of the most sprawling and expensive accommodations at sea. Among six accommodation tiers on the Silver Spirit are its two, 1,292 square foot Owners Suites. Here, the living room of the starboard Owners Suite. Owners Suites also have a dining nook with a table that seats six along with a separate bar. Owners Suite bedrooms can be configured with twin beds or a queen-sized bed. A second bedroom, bathroom, balcony and sitting area are also available when combined with neighboring Veranda Suite for a grand total of 1,668 square feet of space. The queen-sized bed in the Owner’s Suite is outfitted with plush Pratesi sheets, pillowcases and duvet covers. Marbled master baths in the Owners Suites feature a whirlpool tub, twin sinks, commode area with toilet and bidet and a separate rainforest shower. Owners Suite walk-in closets, like those in all categories, are furnished with wooden and padded coat hangers, plush Egyptian cotton bathrobes, slippers and a personal safe. Owners Suite balconies are lined in teak and measure 190 square feet. In addition to its two Owner’s Suites, the Silver Spirit features four Grand and two Royal Suites. The accommodations are essentially the same, except Grand Suites have a wrap-around balcony versus a side balcony on Royal Suites. Here, a living room of a Royal Suite, which features a dining nook and a sofa that converts to an additional bed. In addition to large walk-in closets, Grand and Royal Suites have a dressing area with vanity and additional storage space. Here is the balcony in a Royal Suite. Grand and Royal Suites can also be adjoined with neighboring Veranda Suites. Another luxury line that has been building out bigger suites is Seabourn. Unveiled in 2011, the 32,000 ton Seabourn Quest features several luxurious suites. The Signature Suites, both located on Deck 7, measure 907 square feet, not including balcony, and offer a sprawling living room with separate dining and seating areas. The second bedroom in the Signature Suites contains two twin beds that can be converted to a queen, as shown here. This is the bathroom of a Signature Suite. One difference with the Signature Suites as compared to smaller suites on the ship is the presence of Whirlpool tubs in bathrooms. Signature Suites have two separate walk-in closets for clothing storage. Here, a view of one of the closets. The Seabourn Quest also boasts five large Owner’s Suites that measure 611 to 675 square feet. They feature a large sitting area with a built-in bar that is separate from the bedroom. Another view of the sitting area in an Owner’s Suite on the Seabourn Quest. The bedroom of Seabourn Quest Owner’s Suite, in this case configured with two twin beds (which can be pushed together to form a queen). An Owner’s Suite bathroom. The tub in an Owner’s Suite. Owner’s Suites on Seabourn Quest also have a second, smaller bathroom for visitors that is located adjacent to the sitting and bar area. An Owner’s Suite closet. All of the Owner’s Suites are located overlooking the ship’s bow and feature large wrap-around deck areas that measure up to 387 square feet. Another view of the wrap-around deck area of an Owner’s Suite. This particular cabin is Suite 800, on Deck 8. Another luxury ship with giant suites is Crystal Cruises’ 1,070 passenger Crystal Serenity. The Serenity Penthouses on the Crystal Serenity are 1,345 square feet and feature large bedrooms as well as a living room and dining area. The bedroom’s queen-size bed is topped with Frette linens and comes with a pillow menu. The spacious master bathrooms in Crystal Penthouses offer showers as well as a large Jacuzzi bathtub overlooking the sea. The living room of a Crystal Penthouse. A nearby guest bathroom features a Swarovski crystal sink. Crystal Penthouses also include a library area and sliding glass doors that open up onto large private balconies. Crystal Penthouses come with around-the-clock butler service, and the suites have a butler’s pantry with separate entrance. Other complimentary amenities include welcome champagne and a fully stocked in-room bar, shoeshine service, dry cleaning and laundry services, and unlimited Internet. The separate dining area of Crystal Penthouses can seat six people. Passengers in suites can order room service from the ship’s top specialty restaurants, including the ship’s branch of sushi eatery Nobu. A complimentary afternoon tea service and hors d’oeuvre service also is offered. Crystal Penthouses come with around-the-clock butler service, and the suites have a butler’s pantry with separate entrance. Other complimentary amenities include welcome champagne and a fully-stocked in-room bar, shoeshine service, dry cleaning and laundry services, and unlimited Internet. Some of the largest suites at sea are located on Disney Cruise Line’s two new ships, the Disney Dream and Disney Fantasy (shown here). Located near the top of the Disney Fantasy on Deck 12, the Roy O. Disney Suite looks out over the vessel’s bow. It’s one of two signature Royal Suites on the ship. Disney Cruise Line’s Disney Fantasy features the Roy O. Disney Suite, which measures 1,781 square feet and sleeps five. Designed to evoke the Art Deco glamour of the 1920s and 1930s, the Roy O. Disney Suite includes a dining area that seats eight people. The Roy O. Disney Suite on the Disney Fantasy offers sweeping ocean views through floor-to-ceiling windows lining the main living quarters. The luxurious master bedroom in the Roy O. Disney Suite includes sweeping ocean views and ensures comfort with superior amenities including deluxe Frette bed linens, fluffy Frette feather duvets and a selection of hypo-allergenic goose down and therapeutic memory foam pillows. The master bedroom of the Roy O. Disney Suite has a walk-in closet. The Roy O. Disney Suite has two bathrooms designed with granite and marble finishes. The master bathroom features a whirlpool bathtub, a rain shower, double sinks and a television built seamlessly into the mirror. The Roy O. Disney Suite’s large teakwood balcony features a whirlpool hot tub.