Some of these suites come will 24-hour butlers, a private in-room spa, a shower that extends over the see let alone saunas, furniture from the best designers and spacious beautiful rooms. In other words, if you book one of these suites, it'll be like you are traveling in a five-star hotel by sea. Here is what you can see inside these luxurious cruise ship suites.
Crystal Penthouse, Crystal Serenity and Crystal Symphony
At 1,345 square feet, the Crystal Penthouse, available on the Serenity and Symphony ships, comes with a spacious living room
The Crystal Penthouse's master bedroom features a queen-size bed and a walk-in closet with illuminated rods and custom shelving
In the master bathroom, amenities include a flat-screen TV, heated floor, Duravit spa flotation tub and a shower with a heated bench
Passengers in the Crystal Penthouse are served pre-dinner cocktails and canapes, which can be enjoyed on the veranda
Royal Loft Suite, Royal Caribbean
Royal Caribbean's Royal Loft Suite is a behemoth, spanning two decks with a stunning two-storey wall of windows
There is 1,600 square feet of living space on the main floor and 874 square feet on the balcony, which features a loft-style bedroom
The Royal Loft Suite is larger than many apartments in cities such as London or New York, with enough room for six guests
Royal Caribbean is employing butlers called 'royal genies', whose tasks can include serving dinner or drinks on the veranda
Royal Loft Suites are available on six ships, including Harmony of the Seas, which will be the world's largest cruise ship when it launches
Owner's Suite, Viking Star
The suite measures about 1,500 square feet and can accommodate two passengers. Features include a Jakob Weidemann painting
Located on the seventh deck, the most unique offering inside Viking Star's Owner's Suite is a private sauna that overlooks the sea
The Owner's Suite can accommodate two passengers and has a balcony off the bedroom, which has a king-size Viking Explorer bed
Regent Suite, Regent Seven Seas Explorer
Set to launch in November, Seven Seas Explorer, from Regent Seven Seas Cruises, has been billed as the world's most luxurious ship
Passengers will enjoy unrivalled luxury in the Regent Suite, which boasts a spacious living room with a bar, grand piano and dining area
Renderings of the Seven Seas Explorer promise an enormous bathroom with marble floors and the first in-room spa retreat at sea
Reflection Suite, Celebrity Reflection
Passengers enter Celebrity Cruises' two-bedroom Reflection Suite through its very own private entrance on the 14th deck
The suite boasts one of the most exhilarating bathrooms in the world. Its shower (at left) extends over the edge of the cruise ship
Perks include a private butler, in-suite afternoon canapes, daily platters of fresh fruit and exclusive access to the ship's private restaurant
Balmoral and Sandringham Duplex Suites, Queen Mary 2
Renderings have revealed what the Queen Mary 2's swankiest suites will look like following a 25-day refurbishment this spring
Each 2,249-square foot duplex features a master bedroom upstairs, expansive balcony, two marble baths and exercise equipment
The enormous Balmoral and Sandringham Duplex Suites, named for Queen Elizabeth II's retreats in Scotland and England, are identical
Owner's Suite, Oceania Marina and Oceania Riviera
Measuring more than 2,000 square feet, the suites are decorated with furnishings from the Ralph Lauren Home Collection
Spanning the entire beam of the ship, each suite boasts a large living room, king-size bed and a dramatic entry foyer with a music room
Passengers can lounge on comfortable chairs on the private veranda or relax in indoor and outdoor whirlpool spas
Concierge Royal Suite, Disney Dream and Disney Fantasy
One of the best features of Disney Cruise Line's most luxurious room, the Concierge Royal Suite, is its veranda with sweeping views
The 1,781 square feet retreat is decorated with upscale furnishings and comes with a media room (pictured) and hot tub on the veranda
Each suite accommodates five passengers and has Art Deco decor using warm earth tones and high-end wood finishes
Although it only has one bedroom, many Concierge Royal Suites connect to a stateroom for extra space for the kids or other guests
Owner's Suite, Silversea Muse and Silversea Spirit
This rendering shows what the Owner's Suite will look like on board Silversea Muse when it makes its maiden voyage next year
The Owner's Suite and Classic Veranda Suite (pictured) on Silversea Muse will be designed in a classic and sophisticated style