Sure!
First, you're in luck - the book is out already! I don't think I'm allowed to link to it per DIS rules, but it's called "PassPorter's Disney Weddings & Honeymoons"
The Premium and Platinum packages are detailed on pages 178-179.
For our honeymoon, we didn't use a package because we wanted flexibility. Also, we stayed at 4 different resorts, two of which were Disney Vacation Club properties where we rented points (which I highly recommend as a money-saving idea!). We were at WDW a total of 16 days (3 before the wedding), and it was the perfect amount of time to see and do a lot but still have time to take breaks so we didn't burn out.
We just called 1-407-WDW-PLAY to book extras, like parasailing on Bay Lake and the Behind the Seeds Tour at Epcot. If you click the "Wedding!" link in my signature, you can read the report of our honeymoon and see all the activities we did.
Really, I think you will get more bang for your buck scheduling your watersports individually. Also, that way you can cancel them if your plans change.
I know it's easier to book a package, but you will be paying$159/$209 per PERSON per DAY extra on your trip - that's $318-$418 per
day. You might not spend that much on watersports on your whole trip!