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: Mamala Bay (Barbers Pt. - Diamond Head)

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ZoneZone Code listGeographic ReportNameHave Coordinates?
31020001Geographic ReportKewalo PipeYes
31020002Geographic ReportMagic Island/Rainbow Reef, outside lagoon, channel sideYes
31020003Geographic ReportYO-257/San PedroYes
31020004Geographic ReportSea Tiger WreckYes
31020005Geographic ReportKaiser ReefYes
31020006Geographic ReportNautilusNo
31020007Geographic ReportPinnaclesNo
31020008Geographic ReportPearl Harbor WallNo
31020009Geographic ReportWaikiki GroinYes
31020010Geographic ReportHilton Hawaiian's ChannelYes
31020011Geographic ReportAla Moana Beach ParkYes
31020012Geographic ReportMagic Island LagoonYes
31020013Geographic ReportKakaako Waterfront ParkYes
31020014Geographic ReportSand Island, Beach (Sand Island )No
31020015Geographic ReportQueen's Surf Beach (W of San Souchi Beach, E of Kuhio Beach)No
31020016Geographic ReportWaikiki MLCD Ewa (West) between groinsYes
31020017Geographic ReportWaikiki MLCD Diamond Head (East) between groin and NatatoriumYes
31020018Geographic ReportKaimana FMAYes
31020019Geographic ReportKuhio Beach near Royal Hawaiian HotelYes
31020020Geographic ReportOuter Reef MLCDYes
31020021Geographic ReportMagic Island (Center outside reef)Yes
31020022Geographic ReportTongg's - FMAYes
31020023Geographic ReportShorebird Hotel Channel (near Saratoga St.)Yes
31020024Geographic ReportNavy Tug / Nashua YTB-774Yes
31020025Geographic ReportMario World / Ke'ehi PipeNo
31020026Geographic ReportHorseshoe Reef / SecretsNo
31020027Geographic ReportRockpiles / Ala Moana BowlsYes
31020028Geographic ReportFort DeRussy BeachYes