There are no water taxi options that are not pricey. If your friends go carry on only they should be able to make the 4:30 ferry. It usually runs late anyway. Have Stanley at Love cab pick them up and he will call ahead to the ferry and tell them he is on the way.
Love cab 340 473 6344
George

Last edited by GeorgeC1; 11/16/2018 08:22 AM.