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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See a list of all locations within this region
OR
Choose one from the map below:

Region: SOP
Zone: Tonga

ZoneZone Code listGeographic ReportNameHave Coordinates?
7101Zone Code listGeographic ReportVava'u Group
71010001Geographic ReportMariners Cave (Nuapapu Island)Yes
71010002Geographic ReportSwallows Cave (A'ai Island)Yes
71010003Geographic ReportNuku IslandYes
71010004Geographic ReportCoral Gardens (Nuapapu Island)Yes
71010005Geographic ReportSwallows Cave (Kapa Island)Yes
71010006Geographic ReportKenutu ReefYes
71010007Geographic ReportKenutu Outer ReefYes
71010008Geographic ReportPort Maurelle (Kapa Island)Yes
710101Zone Code listGeographic ReportVava'u Island
71010101Geographic ReportNorth ShoreNo
71010102Geographic ReportNeiafu AnchorageYes
7102Zone Code listGeographic ReportHa'apai Group
71020001Geographic ReportHaanoYes
71020002Geographic ReportNukunamoYes
71020003Geographic ReportNgaahi Hakau FatafehiYes
71020004Geographic ReportUoleva IslandYes
71020005Geographic ReportOua IslandYes
71020006Geographic ReportReef Point (Haafeve Island)Yes
71020007Geographic ReportUoleva Island (NW bay)Yes
71020008Geographic ReportHaafeve Island SE ReefYes
71020009Geographic ReportUonokuhahakeYes
71020010Geographic ReportLadd ReefYes
7103Zone Code listGeographic ReportTongatapu Group
710301Zone Code listGeographic ReportTongatapu Island
7104Zone Code listGeographic ReportMinerva Atoll
71040001Geographic ReportNorth Minerva NE anchorageYes
71040002Geographic ReportNorth Minerva passYes
71040003Geographic ReportNorth Minerva, South anchorageYes
71040004Geographic ReportSouth Minerva - Magique ChannelsYes