I agree with the posters above.
I am an experienced diver, and have done this trip 8 times (at least), so here's my 2 cents:
Rum: we just stick with Meyers for mixing
Spa: you won't need it because you are so happy and relaxed. Book a spa for the Monday after you get home.
Fishing: not worth the hassle.
Scuba: not the best diving, but the Rhone is worth it if you have never been. But only in good visibility. I normally skip it now.
SUP: Yes worth it. Also, it makes a nice bar on the beach, as well as an escape hatch when your crew starts to annoy you.
Food: I like Willy T for a group dinner too. Easy...and entertainment is free. Sometimes its easier to break up for dinner. The big group can slow you down.
Enjoy, you are going to love it.
