The snack bar will always have a bunch of food options ready and available for your guests, and I think that's typically where guests go while the bride and groom are doing pictures. However, it's also not a ton of time inbetween so they might just want to go freshen up in their rooms.
The flowers should be at the beginning of this topic. If you can't download them, you can pay to become a junior member faster.
The charge is interesting. Is that for someone other than they usually use, maybe?
And yes, Akumal is turning into an exclusive side of the resort, so I figured they would soon make it only available to Akumal guests.