High-end cruise suites often include amenities like private hot tubs, butlers, and pillow "menus." See eight of the most luxurious suites on cruise lines like Royal Caribbean, Disney, and Celebrity.

An curved arrow pointing right. Inside Royal Caribbean's "Anthem of the Seas" ship, you can stay in the 1,640-square foot "Royal Loft Suite." That is — if you have $23,000 to spare. Here's what ...