Price drop £449pp If you want/need AI check out Raphsody of the seas TA.
Not many, that have multi night stops but they do exist you need to do some research. A common option is to add a land based extension
Are there any cruises that do not involve going to different countries for a few hours to the most expensive area (port) on an island? Cant you stay a few days and properly visit an island?
You can use all the above.... for a charge.