Jinamoc Seaplane Base is a former World War II seaplane base on Jinamoc Island, San Pedro Bay, Leyte Gulf, Philippines. Jinamoc Seaplane Base was part of the Leyte-Samar Naval Base.
Construction on the base commenced in December 1944 with grading for a seaplane ramp, a pontoon barge was then floated into position and submerged. In May 1945 construction was started on a more permanent 200-foot (61 m) steel and concrete ramp. Taxiways and hardstands were graded and surfaced and 1.5 miles (2.4 km) of access roads constructed. Facilities at the base included 75 Quonset huts for accommodation, a 200-bed dispensary, water supply and utilities. While construction was not completed until May 1945, the base began operation on 14 January 1945.[1]
US Navy units based at the base included:
No. 42 Squadron RAAF maintained a detachment at Jinamoc from March to May 1945.