First cruise in August!

Hi everyone!

My girlfriend and I booked our first cruise in August on the Magic! We're doing a quick two night stay in Disney world the days leading up to the cruise then doing a 5 night cruise (Nassau, Cast Away Cay, Lookout Cay) with an ocean view room.

I was wondering if anyone could provide any tips or recommendations! We do plan on using the Disney cruise busses to get to and from the port!

Let me know your must do's and first time mistakes we should avoid!

Thanks so much!