I wasn't planning on a separate hop to Abu Dhabi, though it could be done that way I suppose given that it's in the other direction. Maybe it'd be better to do the pre-day trip to Fujairah, Sharjah, Ajman, Ras al-Khaimah, and Umm al-Quwain and arrange a separate something a little later (maybe also on the 14th) to Abu Dhabi for those interested in just that part.

I'm looking at guide services now, but it's difficult to evaluate them this far abroad with no prior significant knowledge of the area.