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 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: South Coast Oahu (E. of Diamond Head - Makapuu Pt.)

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ZoneZone Code listGeographic ReportNameHave Coordinates?
32000001Geographic ReportDiamond HeadYes
3201Zone Code listGeographic ReportMaunalua Bay
32010001Geographic ReportTurtle CanyonYes
32010002Geographic ReportThe Corsair WreckYes
32010003Geographic ReportHawai'i Loa CraterYes
32010004Geographic ReportWaialae Beach ParkYes
32010005Geographic ReportAngler's Reef / Angler Fish ReefYes
32010006Geographic ReportKoko CraterYes
32010007Geographic ReportKahala at Hunakai StreetYes
32010008Geographic ReportBaby BargeYes
32010009Geographic ReportFantasea ReefYes
32010010Geographic ReportSpitting CavesNo
32010011Geographic ReportKaalawai (Kahala)Yes
32010012Geographic ReportKahala at Kala PlaceYes
32010013Geographic ReportLanding Craft / LCU WreckYes
32010014Geographic ReportCorner PocketsNo
32010015Geographic ReportKeanu ReefNo
3202Zone Code listGeographic ReportKawaihoa Pt. - Makapuu Pt. (incl. Hanauma Bay)
32020001Geographic ReportInside Reef Hanauma BayYes
32020002Geographic ReportOutside Reef Hanauma BayYes
32020003Geographic ReportWitch's Brew Hanauma BayYes
32020004Geographic ReportPalea (outside Hanauma Bay)Yes
32020005Geographic ReportLanai LookoutYes
32020006Geographic ReportKoko Head Sea CoveYes
32020007Geographic ReportKoko Head Drift DiveYes
32020008Geographic ReportHanola Blow Hole / From Here To EternityNo
32020009Geographic ReportLST Wreck (Landing Ship Tank - Hawaii Kai)No
32020010Geographic ReportAlan Davis BeachYes
32020011Geographic ReportKoke'e Beach ParkYes