Just finished a 1 week Dubrovnik to Split sail in the new Infinity ship run by Katarina lines. I'll share my experience since there is so little info on this ship.

The cruise offers 1 week of relaxing and touring the Dalamation islands. The itinerary is wonderful. YOu sail in the morning relaxing in the beautiful deck with a hot tub and then you take a walking tour in port in the afternoons. Some dinners are on board and others are on your own in the town.

The boat is awesome. Brand new with all the amenities. Lots of space for everyone. You never feel crowded, the one exception to the comfort is the super hard bedding. I mean super hard bedding. It was difficult for me to sleep at times the beds were that uncomfortable.

Deluxe tours come with a tour guide. Ours was awesome- Aida. Food is plentiful and carefully prepared and presented by an interested staff that works very hard. Be sure to tip well - tips are not included.

As we were sailing I saw some of the other ships that were probably not deluxe ships. There is a huge difference in the aesthetics of the ships. If you can swing it go for the deluxe. Guests on these ships are older - average age was about mid 60s in our ship with 3 or so couples in their 30-50 range. Great mix of international guests.

Would do it again tomorrow if I could.