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Honolulu Shared Admirals Club and Sakura Lounge
Overseas Terminal, Central Lobby, Across from Central Security Checkpoint and Ralph Lauren Store
On Third Floor Above The Local@HNL Restaurant

Link to HNL information on aa.com.
Link to HNL web site

See here for map.

Hours: The hours are posted by JL. http://www.jal.co.jp/en/inter/lounge/america/hnl/. aa.com HNL Club information here: link.

Amenities:
not listed.