There are plenty of things to see and do in a 2-3 week trip.. Thus in 1 week, you are not going to see or do it all... That will be the next trip.
Have crew help with menu and provisioning. Each couple take a meal for dinner and you will likely eat out the other nights. Remember the grill is small so filets are preferred over big ribeyes!
Get them involved in helm, mooring. planning next day.
Sharing with friends is a great trip that all will talk about for years. Relaxing with just family is a different trip, also fun,
At planning parties, find out what 3-4 things they most want to do and try to hit the top ones. However this may change at the last minute.(Never visit Baths when cruise ship is there. Go early (Before 9, or late (after 3:00) or another day.
I had planned a special birthday for "Grandpa" at Coca Maya but on that day, with the grandkids, the request was made to switch to Michael Beans Pirate Show (Arrrr Memories made which made his day).
And Roll with the punches.
OH, If you have not done it yet, have everyone send you a copy of their Passport Photo Page (Check the dates!!! More than once Ithey discovered they needed to get passport expedited !
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