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: TWA
Zone: Rio de Janeiro

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ZoneZone Code listGeographic ReportNameHave Coordinates?
87040201Geographic ReportLagoa Verde (Ilha Grande)Yes
87040202Geographic ReportNaufragio Pinguino (Ilha Grande)Yes
87040203Geographic ReportPonta do Bananal (Ilha Grande)Yes
87040204Geographic ReportAlvo (Ilha Grande)Yes
87040205Geographic ReportIlhas duas Irmas (west island)Yes
87040206Geographic ReportPapanca (Ilhas Pesqueiro Avellar)Yes
87040208Geographic ReportIlha BotinasYes
87040209Geographic ReportPoint de DentistaYes