According to a post in the EA forum, it's going to cost 2000 simpoints.
So saving up it is.
I may just be able to get it actually, if I get those 3000 simpoints I begged Mum for the other day.
I was never really interested in Barnacle Bay but this is one town that looks awesome!
Also, down at the Official Forums, there is talk of this being the town there was a poll for a few months ago, and that with this town there comes something called the Fountain of Youth, which reverses aging! Wow!
Here is a picture of the 'Fountain of Youth':