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: NORTH EAST (Tampa Bay to Cape San Blas)

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ZoneZone Code listGeographic ReportNameHave Coordinates?
2201Zone Code listGeographic ReportPasco and Hernando Counties
22010001Geographic ReportPasco County Artificial Reef #2, Army TanksYes
22010002Geographic ReportPasco County Artificial Reef #2, BargeYes
22010003Geographic ReportJason Reef (New Port Richey)No
22010004Geographic ReportRJ Davis Wreck (New Port Richey)No
22010005Geographic ReportCarrabelle 3 Mile ReefYes
22010006Geographic ReportDenise's LedgeNo
22010007Geographic ReportMarilyn's HoleNo
22010008Geographic ReportEugene's Lobster RocksNo
22010009Geographic ReportOAR Reef - 2 dogs off islandNo
22010010Geographic ReportThe CracksNo
22010011Geographic ReportJack's LedgeNo
22010012Geographic ReportNo Name LedgeNo
22010013Geographic ReportConcrete LedgeNo
22010014Geographic ReportGrey's LedgeNo
22010015Geographic ReportDenmark LedgeNo
22010016Geographic Report23 Mile Reef (New Port Richey)No
22010017Geographic ReportHog Ledge (15m off New Port Richey)No
22010018Geographic ReportRound Rocks ReefNo
22010019Geographic ReportPlease use 23020014. Was Sugar Barge.No
22010020Geographic ReportGreen Oyster ReefYes
22010021Geographic ReportAirplane Barge WreckNo
22010022Geographic ReportJewfish Sink HoleYes
22010023Geographic ReportBob's Reef (10 mi off Clearwater on 260 deg courseNo
22010024Geographic ReportLow Rock at Saint Martins ReefYes
22010025Geographic ReportGreen Key / Robert K Rees Memorial ParkYes
2202Zone Code listGeographic ReportCitrus County
22020001Geographic ReportKing Spring (Crystal River)Yes
22020002Geographic ReportArtificial Reef 1CYes
22020003Geographic ReportOld Shed Rock PoolsYes
22020004Geographic Report3 Sisters (Crystal River)Yes
2203Zone Code listGeographic ReportNW Florida (Levy County to Cape San Blas)
22030001Geographic ReportMarker 24 BargeYes
22030002Geographic ReportBuckeye Reef Scrap SteelYes
2204Zone Code listGeographic ReportHillsborough County
22040001Geographic ReportBallast Point Park PierYes
22040002Geographic ReportSeaplane Basin PierYes
22040003Geographic ReportSeddon ChannelYes