Thanks everyone for all your tips!
I took a surge protector extension cord just in case but didn't need it. There were enough extension cords and many had free spots most of the time. However, my little surge protector with outlets plus USB ports was the only one, came in very handy and was very popular.
They told us a similar speech about charging only cell phones in the cabin and only while we were in there. So I charged everything else on the charging table, np.
The over-the-door shoe organizer was an awesome idea and we used it for the cell phone, phone charger, sunglasses, camera moisture munchers, extra sandals, etc. It came in really handy for easy access to small stuff.
Can you believe I took the hood and didn't use it for the first 2 night dives? Until I got a blood worm in the ear.
I get really close to the coral and sand to take pictures, and the bloodworms were ferocious. I have never seen that before (except 1 or 2 in Eleuthera). They kept hitting my hands and my face and my ears, and I kept hiding my light and swatting them away. One bloodworm wriggled into my ear in the last 10 minutes of a night dive and the wriggling was horrifying. I kept trying to dig it out with my finger as I was diving but it wouldn't come out. Finally as I climbed the ladder, I told the crew and this time, I managed to get it out with my finger. They said, "yup, that's a bloodworm". Eeeew. Captain Jerome joked with me that they can put me under and they have tools to do surgery on me if they need to. Nope, I wore my hood and my gloves for every night dive after that and it was so much more pleasant.
I only took 6 spring loaded clips just in case, but the crew suggested to use them for swimsuits and cover-up dresses on the hangers. My buddy didn't bring any so we shared the 6 spring clips, which was way too few. Other people also brought some. I'd suggest having at least 6 - 8 per person, depending on what you'll be hanging. They wrap a weight belt around each set of wetsuits/swimsuits every night or when traveling.
Thanks again for all the tips! We had a fabulous time! We spent a week in Belize including overnight to Tikal Mayan Ruins in Guatemala, then cave river tubing, and diving at Glovers before the BAIII. My review and pics are at:
Belize and Guatemala April 2019