REEF uses a hierarchical 8-digit code system for survey site locations. Each geographic area has its own set of codes. When completing a survey, you need to know the complete 8-digit code for the site you surveyed.

If the site that you surveyed is not currently on our list, then please email zonecode@REEF.org to request a new code to be assigned. Please provide the site name, general location, and ideally the latitude and longitude.

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Region: HAW
Zone: North Shore Oahu (W. of Kahuku Pt. - Kaena Pt.)

ZoneZone Code listGeographic ReportNameHave Coordinates?
3401Zone Code listGeographic ReportKahuku Pt. - Puaena Pt. (north end of Waialua Bay)
34010001Geographic ReportShark's CoveYes
34010002Geographic ReportThree TablesYes
34010003Geographic ReportHaleiwa TrenchYes
34010004Geographic ReportHaleiwa Beach Co. Park - Use 34020002Yes
34010005Geographic ReportLaniakea BeachNo
34010006Geographic ReportCar WashYes
34010007Geographic ReportAtlantisYes
34010008Geographic ReportKawailoa Beach Park EastYes
34010009Geographic ReportShark Cove Pupukea - Use 34010001Yes
34010010Geographic ReportWaimea BayYes
34010011Geographic ReportKuilima Bay (by Turtle Bay Resort)Yes
34010012Geographic ReportChun's ReefYes
34010013Geographic ReportSunset BeachYes
3402Zone Code listGeographic ReportWaialua Bay - Kaena Pt.
34020001Geographic ReportKaena State ParkYes
34020002Geographic ReportHaleiwa Beach County ParkYes
34020003Geographic ReportCamp MokuleiaYes
34020004Geographic ReportHaleiwa Ali'i Beach ParkYes