Port Allen Back To List Facility Type Contact Information Boat Ramp No contact information available at this time. Features Available Directions No features information available at this time. By Land: Off Rtes. 54, 50 And 543 On The South Coast Of The Island I N Hanepepe Bay, East Of The Hanepepe River Adjacent To The Commercial Pt Allen Boat Harbor. Additional Information This information provided by BoatU.S.