The following urls may be of interest.
The first two are based out of the Pacific Missile Test Range, Kwajalein, Marshall Islands. Be forwarned, Kwaj, Majuro & Ebeye Islands are not the tropical paradises one might wish them to be.
For a description of these islands see http://en.wikipedia.org/wiki/Ebeye_Island
The following is with the NC DOT/Ferry Division