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: Collier County (including Naples)

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ZoneZone Code listGeographic ReportNameHave Coordinates?
23060001Geographic ReportDelnor-Wiggin's Pass State ParkYes
23060002Geographic ReportClam Pass (3 Mile Reef)Yes
23060003Geographic ReportECA Wiggins (3 Mile Reef)Yes
23060004Geographic ReportCrane & Barge (5 Mile Reef)Yes
23060005Geographic ReportBaja California WreckYes
23060006Geographic ReportAir Force Radio Tower / R TowerYes
23060007Geographic ReportNaples Pier ReefYes
23060008Geographic ReportCRRT ReefYes
23060009Geographic ReportWiggins Pass (4.6 Mile Reef)Yes
23060010Geographic ReportDoctor's Pass (5 Mile Reef)Yes
23060011Geographic ReportConcrete RubbleYes
23060012Geographic ReportSanta LuciaYes
23060013Geographic ReportGordon's Pass (5 mile reef)Yes
23060014Geographic ReportGordon's Pass (4.5 mile reef)Yes
23060015Geographic ReportDoctor's Pass (5 mile) Bridge RubbleYes
23060016Geographic ReportWiggins Pass (5 Mile Reef)Yes
23060017Geographic ReportKeewapin (3 mile reef)Yes
23060018Geographic ReportBen's BargeYes
23060019Geographic ReportJohn D BargeYes
23060020Geographic ReportBogan's BargeYes