You can only book categories 4 - 11 with
DVC points, so I'll give you the requirements for a cat 4. June 30 is regular season.
For the 4-night Bahamas cruise (sails on Sundays):
Cat 4 is 182 points for first two in cabin, 14 points for children 2 and under, 63 points for children 3-12 and 69 points for all others (13 and older)
For the 7 night Eastern Carribean cruise departing 6/29:
Cat 4 is 263 points for first two in cabin, 16 points for children 2 and under, 78 points for children 3-12 and 104 points for all others (13 and older)
For the 7 night Western Carribean cruise departing 6/22 or 7/6:
Cat 4 is 289 points for first two in cabin, 16 points for children 2 and under, 91 points for children 3-12 and 117 points for all others (13 and older)
Hope everything works out for you.