Wow, 200 invites is ALOT! be careful, I ended up with 65 guests! so make sure you actually plan to have enough of a budget for a good chunk of people to come if you are inviting that much.... I LOVED the brittish virgin islands when I went, you would love it there! From what I understand, a 20k budget is reasonable... most brides on here seem to have that much budgeted... I personally am hoping between 10-15! I am getting married in Jamaica. There is a forum here on wedding costs if you search it, it may help! Happy Planning.