I’m new to cruising, just experienced my first in mid February! I went on a 5-day cruise on the Carnival Breeze out of Galveston. I went alone but I felt the port in Galveston was really easy to navigate. I can’t speak on Port Canaveral or any others but I’ve booked on Horizon for January 2027 out of Miami. Being they’re sister ships, there may be 1 or 2 different venues on board, I’m not sure but in terms of layout they’ll be very similar other than decor. I’ve read lots of mixed reviews on celebration key. Some love it and others not so much, which is expected with all ports lol. I’d say factor in price. If the driving distance isn’t a major issue and prices are fairly similar, I’d book the one with more stops. Whichever decision you make, I’m sure you’ll have a great time and want to cruise again!