What can be dreamier than spending your honeymoon on a luxurious cruise? If you find this idea alluring, you must book for the Penthouse Suite at the famous Crystal Serenity Cruise. The stay includes all modern amenities, a Jacuzzi and a private gym as well. Meals at the 5-star restaurant are accompanied by a bottle of Cristal. You will have your own veranda to enjoy the waves with your sweetheart. A 12-day cruise will cost a couple anywhere between $55,350 to $73,240.