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
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Choose one from the map below:

Region: TEP
Zone: Bat Islands / Islas Murcielago (Santa Rosa Marine Park)

ZoneZone Code listGeographic ReportNameHave Coordinates?
65010401Geographic ReportBig Scare (Isla San Pedrito)No
65010402Geographic ReportBlack Rock (off Isla Colorado)No
65010403Geographic ReportBajo Pachote (Isla Catalina)No
65010404Geographic ReportLos Arcos (Isla Las Golondrinas)No