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: TEP
Zone: Revillagigedo Islands

ZoneZone Code listGeographic ReportNameHave Coordinates?
5301Zone Code listGeographic ReportSocorro Island
53010001Geographic ReportThe AquariumYes
53010002Geographic ReportCabo PearceYes
53010003Geographic ReportNavy BayNo
53010004Geographic ReportPunta ToscaYes
53010005Geographic ReportDD'sNo
53010006Geographic ReportRoca PartidaYes
53010007Geographic ReportCape HenslowYes
53010008Geographic ReportOld Man of the Rocks / SeaNo
53010009Geographic ReportEl BajoNo
5302Zone Code listGeographic ReportSan Benedicto Island
53020001Geographic ReportEl Canyon / San BenedictoYes
53020002Geographic ReportThe BoilerYes
53020003Geographic ReportLava Flow (San Benedicto)Yes
53020004Geographic ReportFondeadero Yes
53020005Geographic ReportPunta NorteNo
53020006Geographic ReportLas CuevitasYes
5303Zone Code listGeographic ReportClipperton Island
53030001Geographic ReportClipperton Island SW sideYes
5304Zone Code listGeographic ReportClarion Island
53040001Geographic ReportEast PointYes
53040002Geographic ReportMonumento / Roca PyramidYes
53040003Geographic ReportThree FathomsYes
53040004Geographic ReportNavy BaseYes