Ahoy, Manish!
Welcome to the Disney Parks Moms Panel! It sounds like you're planning the most relaxing and luxurious high-seas adventure! There are so many things to do onboard for everyone. You and your wife will be able to enjoy the adult-only areas of the ship such as Quiet Cove Pool, adult-only dining and the
Nightclub & Lounges!
Another area of the ship that is for adults only is Senses Spa & Salon. In my opinion, you're asking about one of the hidden gems onboard: the Rainforest Room! Currently, the one-day pass is only available for pre-order through the
Gifts & Amenities page on Disney Cruise Line's website. I've ordered the one-day pass through the Gifts & Amenities page and it is an exclusive pass to the Rainforest Room. I was able to visit the Rainforest Room as often as I liked on the day my pass was valid. I also want to mention that there is a limited number of one-day passes sold in advance; it's great that you're exploring purchasing one now!
Manish, if you want to double-check and make sure for peace of mind prior to purchasing the pass, I recommend giving the helpful agents at Disney Cruise Line a call at (800) 951-3532 and they will be happy to answer any specific questions you have regarding the ordering process. Once onboard, you and your wife will have the opportunity to purchase multi-day passes to the Rainforest Room, as well, if you'd like!
I'm wishing you a voyage of relaxation and romance!
Beth