You guys missed the part about splitting time with the USVI. The ATT option under those circumstances is a better deal. ATT covers half of the BVI and all of the USVI. They also have good international roaming options and it can be done and set up before they leave the states. No trip to lime or digicel during precious vacation time.

ATT Passort gold is a flat $120 for 30 days can be turned on and off at will by the month. It includes 800 MB of Data unlimited text and thirty five cent a minute cell phone usage while in the BVI. In sight of a USVI tower it works like you are in the states.

Their silver package is $60 300 MB of data unlimited texts and fifty cents a minute phone calls.