If you're leaving from Bayonne, The Symphony arrives at PC about 1:00 PM, with guests departing about 1:20 - 1:30. How late is the Space Center open on the day of your visit? Only you know if a short visit is worth it for you.
Rcldining has a very bad habit of not responding to requests but actually fulfilling them. I would email them from your initial request and see if it was done.
I just booked Our first JS on the Odyssey for our next anniversary. Do we get any special benefits? Someone told me we could use CK if they have openings. Is that true?
You have nothing to lose by trying. Last year on the Anthem before I made final payment, I asked for a re-price. Even though the category was sold out, I got a $700 refund. It does happen.
The closest liquor store is a state store next to the grocery store near the train station. It's about a ten minute walk from the ship. It's away from the boardwalk where the ship docks. It's not the duty free that most people associate with the Caribbean.