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: IORS
Zone: Red Sea
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| Zone | Zone Code list | Geographic Report | Name | Have Coordinates? |
|---|---|---|---|---|
| 41 | Zone Code list | Geographic Report | Yemen (West Coast and Islands) | |
| 42 | Zone Code list | Geographic Report | Saudi Arabia (West Coast) | |
| 4201 | Zone Code list | Geographic Report | Saudi Arabia side Gulf of Aqaba | |
| 4202 | Zone Code list | Geographic Report | Tiran and nearby islands (Saudi Arabia) | |
| 42020001 | Geographic Report | Tiran 1 | Yes | |
| 42020002 | Geographic Report | Tiran 2 | Yes | |
| 42020003 | Geographic Report | Tiran 3 | Yes | |
| 42020004 | Geographic Report | Abo Korosh | Yes | |
| 42020005 | Geographic Report | El Ashka | Yes | |
| 4203 | Zone Code list | Geographic Report | Tabuk, Madinah provinces (N. Red Sea Saudi Arabia) | |
| 42030001 | Geographic Report | Breka | Yes | |
| 42030002 | Geographic Report | Aramco | Yes | |
| 42030003 | Geographic Report | Cement Factory Base | Yes | |
| 42030004 | Geographic Report | Cement Factory Lakok Base | Yes | |
| 42030005 | Geographic Report | Cement Factory 1 | Yes | |
| 42030006 | Geographic Report | Cement Factory Shark Bay | Yes | |
| 42030007 | Geographic Report | Cement Open Water | Yes | |
| 42030008 | Geographic Report | Henw 1 | Yes | |
| 42030009 | Geographic Report | Henw 2 | Yes | |
| 42030010 | Geographic Report | Henw 3 | Yes | |
| 42030011 | Geographic Report | Yanbou Sharm Sunken Boat | Yes | |
| 42030012 | Geographic Report | Yanbou Ras El Akhdar | Yes | |
| 42030013 | Geographic Report | Yanbou Ras El Akhdar 2 | Yes | |
| 42030014 | Geographic Report | Yanbou Kornish 1 | Yes | |
| 42030015 | Geographic Report | Yanbou Kornish 2 | Yes | |
| 42030016 | Geographic Report | Yanbou Arak | Yes | |
| 42030017 | Geographic Report | Yanbou IONA Wreck | Yes | |
| 42030018 | Geographic Report | Yanbou Abo Galawa | Yes | |
| 42030019 | Geographic Report | Yanbou Seven Sisters North Island | Yes | |
| 42030020 | Geographic Report | Yanbou Seven Sisters Middle Island | Yes | |
| 42030021 | Geographic Report | Yanbou Seven Sisters South Island | Yes | |
| 42030022 | Geographic Report | Yanbou Kaysareya | Yes | |
| 42030023 | Geographic Report | Yanbou Kaysareya 2 | Yes | |
| 42030024 | Geographic Report | Yanbou Coste | No | |
| 4204 | Zone Code list | Geographic Report | Makkah province (Central Red Sea Saudi Arabia) | |
| 42040001 | Geographic Report | Rabigh Beach | Yes | |
| 42040002 | Geographic Report | Sheraton Red Sea Beach Club (Obhur) | Yes | |
| 42040003 | Geographic Report | Shark Reef West (offshore) | Yes | |
| 42040004 | Geographic Report | Shark Reef East (inshore) | Yes | |
| 42040005 | Geographic Report | KAUST King Abdullah Monument | Yes | |
| 42040006 | Geographic Report | Sheb Nizar South | Yes | |
| 42040007 | Geographic Report | Rose Reef | Yes | |
| 42040008 | Geographic Report | Al Fahal North | Yes | |
| 42040009 | Geographic Report | Abu Shosha | Yes | |
| 42040010 | Geographic Report | Tahlah North | Yes | |
| 42040011 | Geographic Report | Tahlah South | Yes | |
| 42040012 | Geographic Report | Jeddah Shoebaa | Yes | |
| 42040013 | Geographic Report | Jeddah Dream Divers Spot | Yes | |
| 42040014 | Geographic Report | Mastura | Yes | |
| 42040015 | Geographic Report | La Plage Beach Resort | Yes | |
| 42040016 | Geographic Report | New Jeddah Front Beach | Yes | |
| 42040017 | Geographic Report | El Badei Coste | Yes | |
| 42040018 | Geographic Report | Duqise Island | Yes | |
| 4205 | Zone Code list | Geographic Report | Asir and Jizan provinces (S. Red Sea Saudi Arabia | |
| 420501 | Zone Code list | Geographic Report | Farasan Island | |
| 42050101 | Geographic Report | Farasan Island East | Yes | |
| 43 | Zone Code list | Geographic Report | Jordan | |
| 4301 | Zone Code list | Geographic Report | Gulf of Aqaba Jordan side | |
| 43010001 | Geographic Report | Cazar Reef / First Bay South | Yes | |
| 43010002 | Geographic Report | King Abdullah Reef | Yes | |
| 43010004 | Geographic Report | Rainbow Reef / Cable Reef | Yes | |
| 43010005 | Geographic Report | Cedar Pride Wreck | Yes | |
| 43010006 | Geographic Report | Japanese Gardens | Yes | |
| 43010007 | Geographic Report | Seven Sisters | Yes | |
| 43010008 | Geographic Report | C-130 Hercules Aircraft Wreck | Yes | |
| 43010009 | Geographic Report | First Bay North | Yes | |
| 43010010 | Geographic Report | South of King Abdullah Reef (Aqaba Beach) | Yes | |
| 44 | Zone Code list | Geographic Report | Israel | |
| 44000001 | Geographic Report | Satil Wreck | Yes | |
| 44000002 | Geographic Report | Princess Beach | Yes | |
| 44000003 | Geographic Report | Underwater Restaurant HaSela Beach, Eilat | Yes | |
| 44000004 | Geographic Report | The Sisters (Migdalor Beach) | Yes | |
| 44000005 | Geographic Report | Eilat Coral Beach Nature Reserve | Yes | |
| 44000006 | Geographic Report | Table Corals (Eilat) | Yes | |
| 44000007 | Geographic Report | Lighthouse (Eilat) | Yes | |
| 45 | Zone Code list | Geographic Report | Egypt | |
| 4501 | Zone Code list | Geographic Report | Sinai Peninsula | |
| 45010001 | Geographic Report | SS Thistlegorm Wreck | Yes | |
| 45010002 | Geographic Report | Lighthouse (Dahab) | Yes | |
| 45010003 | Geographic Report | House Reef Right (Big Blue Dahab) | Yes | |
| 45010004 | Geographic Report | Eel Garden | Yes | |
| 45010005 | Geographic Report | Mashraba | Yes | |
| 45010006 | Geographic Report | House Reef Left (Big Blue Dahab) | Yes | |
| 45010007 | Geographic Report | Bannerfish Bay | Yes | |
| 45010008 | Geographic Report | Um Sid (Dahab) | Yes | |
| 45010009 | Geographic Report | The Caves (Dahab) | Yes | |
| 45010010 | Geographic Report | El Bells - Blue Hole | Yes | |
| 45010011 | Geographic Report | Blue Hole Right Side | Yes | |
| 45010012 | Geographic Report | Canyon Gardens | Yes | |
| 45010013 | Geographic Report | The Canyon | Yes | |
| 45010014 | Geographic Report | The Islands | Yes | |
| 45010015 | Geographic Report | Golden Blocks to Moray Garden | Yes | |
| 45010016 | Geographic Report | Moray Garden Right | Yes | |
| 45010017 | Geographic Report | Moray Garden Left | Yes | |
| 45010018 | Geographic Report | Gabr el-Bint North (Dahab) | Yes | |
| 45010019 | Geographic Report | Gabr el-Bint South (Dahab) | Yes | |
| 45010020 | Geographic Report | Golden Blocks Left | Yes | |
| 45010021 | Geographic Report | Sheraton (Sharm El Sheikh) | Yes | |
| 45010022 | Geographic Report | Kingston Wreck | Yes | |
| 45010023 | Geographic Report | Jackfish Alley (Ras Mohammed National Park) | Yes | |
| 45010024 | Geographic Report | Jackson Reef (off Tiran Island) | Yes | |
| 45010025 | Geographic Report | Gordon Reef (off Tiran Island) | Yes | |
| 45010026 | Geographic Report | Thomas Reef (off Tiran Island) | Yes | |
| 45010027 | Geographic Report | Shark and Yolanda Reef | Yes | |
| 45010029 | Geographic Report | Dunraven Wreck (Sha'ab Mahmodat) | Yes | |
| 45010030 | Geographic Report | Sha'ab Ali / Shaab Ali | Yes | |
| 45010031 | Geographic Report | Shag Rock | Yes | |
| 45010032 | Geographic Report | The Alternatives (Sha'abel-Utat) | Yes | |
| 45010033 | Geographic Report | Anemone City | Yes | |
| 45010034 | Geographic Report | Ras Fanar Lighthouse (Mangrove Island - Ras Mohammed) | Yes | |
| 45010035 | Geographic Report | Fayroza Beach (Nuwaibaa) | Yes | |
| 45010036 | Geographic Report | Duna Corals (Nuwaibaa) | Yes | |
| 45010037 | Geographic Report | Tarabin (Nuwaibaa) | Yes | |
| 45010038 | Geographic Report | Sinai Beach (Nuwaibaa) | Yes | |
| 45010039 | Geographic Report | Banana Beach (Nuwaibaa) | Yes | |
| 45010040 | Geographic Report | Botcha (Nuwaibaa) | Yes | |
| 45010041 | Geographic Report | Kum Kum (Nuwaibaa) | Yes | |
| 45010042 | Geographic Report | Salah El Din Castle (Pharoahs Island) | Yes | |
| 45010043 | Geographic Report | Firan Valley (Fjord Bay) | Yes | |
| 45010044 | Geographic Report | Solar Lake | Yes | |
| 45010045 | Geographic Report | Taba Heights | Yes | |
| 45010046 | Geographic Report | Orascom Beach | Yes | |
| 45010047 | Geographic Report | Taba 1 | Yes | |
| 45010048 | Geographic Report | Three Pools | Yes | |
| 45010049 | Geographic Report | Mahmoudat | Yes | |
| 45010050 | Geographic Report | Ras Fanar (Ras Mohamed Nature Preserve) | Yes | |
| 4502 | Zone Code list | Geographic Report | Suez to Hurghada | |
| 45020001 | Geographic Report | Rosalie Moller Wreck | Yes | |
| 45020002 | Geographic Report | Sha'ab Reef (Abu Nuhas) | Yes | |
| 45020003 | Geographic Report | Wreck of the Tiles / Chrisoula K Wreck / Marcus Wreck - Abu Nuhas | Yes | |
| 45020004 | Geographic Report | Dolphin House / Sha'ab El Erg (10 miles NE of Hurghada) | Yes | |
| 45020005 | Geographic Report | El Fanous / Lighthouse / Torfa Fanous East | Yes | |
| 45020006 | Geographic Report | El Mina Wreck | Yes | |
| 45020007 | Geographic Report | Small Giftun Island South / Divers Alley | Yes | |
| 45020008 | Geographic Report | Abu Hashish Sud | Yes | |
| 45020009 | Geographic Report | Sud Abu Ramada / South Abu Ramada / Carlsons Corner | Yes | |
| 45020010 | Geographic Report | Turft el Shahed (Small Giftun Island) | No | |
| 45020011 | Geographic Report | Balena Wreck | Yes | |
| 45020012 | Geographic Report | Sea Star Beau Rivage Hotel | Yes | |
| 45020013 | Geographic Report | Shabh Abou Galawa | Yes | |
| 45020014 | Geographic Report | Abu Galawa | Yes | |
| 45020015 | Geographic Report | Fanadier North | Yes | |
| 45020016 | Geographic Report | Gota Abu Ramada | Yes | |
| 45020017 | Geographic Report | Ghiannis D. Wreck (Abu Nuhas) | Yes | |
| 45020018 | Geographic Report | Gubal Barge (Gubal Island) | Yes | |
| 45020019 | Geographic Report | Bluff Point (Small Gubal Island) | Yes | |
| 45020020 | Geographic Report | Small Giftun Island Police Station | Yes | |
| 45020021 | Geographic Report | Umm Gammar (Mother of the Moon) | Yes | |
| 45020022 | Geographic Report | Shaab Iris | Yes | |
| 45020023 | Geographic Report | Fanadier South | Yes | |
| 45020024 | Geographic Report | El Fanous West | Yes | |
| 45020025 | Geographic Report | Marriott Beach Resort Snorkel | Yes | |
| 45020026 | Geographic Report | Poseidon's Garden (Shaab el Erg) | Yes | |
| 45020027 | Geographic Report | Ulysses Wreck | Yes | |
| 45020028 | Geographic Report | Gezira Syul Kebir | Yes | |
| 45020029 | Geographic Report | Lagoon on Abu Nuhas | Yes | |
| 45020030 | Geographic Report | Wreck of the Carnatic / Carnatik (Abu Nuhas) | Yes | |
| 45020031 | Geographic Report | El Malik | Yes | |
| 45020032 | Geographic Report | Ras Disha | Yes | |
| 45020033 | Geographic Report | Erg So Maya (Small Giftun) | Yes | |
| 45020034 | Geographic Report | Turtle Bay | Yes | |
| 45020035 | Geographic Report | Ain Sokhna (Gulf of Suez) | Yes | |
| 45020036 | Geographic Report | Cancun Beach (Gulf of Suez) | Yes | |
| 45020037 | Geographic Report | Abu Zneima (Gulf of Suez) | Yes | |
| 45020038 | Geographic Report | Der (Gulf of Suez) | Yes | |
| 45020039 | Geographic Report | Ras Shoqir (Gulf of Suez) | Yes | |
| 45020040 | Geographic Report | Gobel Kaber North Fanar | Yes | |
| 45020041 | Geographic Report | Gobel Kaber Fasma | Yes | |
| 45020042 | Geographic Report | Gobel Kaber South | Yes | |
| 45020043 | Geographic Report | Gobel Kaber Surface Wreck | Yes | |
| 45020044 | Geographic Report | Tawilah Resort | Yes | |
| 45020045 | Geographic Report | Onghosh | Yes | |
| 45020046 | Geographic Report | Seyal Small | Yes | |
| 45020047 | Geographic Report | Erk Kaber Fanar | Yes | |
| 45020048 | Geographic Report | Erk Kaber Open Water | Yes | |
| 45020049 | Geographic Report | Erk Kaber Betaan | Yes | |
| 45020050 | Geographic Report | Erk Sagher Lagoon | Yes | |
| 45020051 | Geographic Report | Erk Sagher Fanar | Yes | |
| 45020052 | Geographic Report | Abu Nugar | Yes | |
| 45020053 | Geographic Report | Soma Bay North Point | Yes | |
| 45020054 | Geographic Report | Shedwan North Point | Yes | |
| 45020055 | Geographic Report | Shedwan Abo Edam | Yes | |
| 45020056 | Geographic Report | Shedwan Bura | Yes | |
| 45020057 | Geographic Report | Shedwan Middle Part | Yes | |
| 45020058 | Geographic Report | Shedwan South Point | Yes | |
| 45020059 | Geographic Report | Shedwan South Fanar | Yes | |
| 45020060 | Geographic Report | Shedwan Dehar 1 | Yes | |
| 45020061 | Geographic Report | Shedwan Dehar 2 | Yes | |
| 45020062 | Geographic Report | Shedwan Dehar 3 | Yes | |
| 45020063 | Geographic Report | Abu Nuhas Reef (outside lagoon) | Yes | |
| 4503 | Zone Code list | Geographic Report | S. of Hurghada to Quseir | |
| 45030001 | Geographic Report | Ras Abu Soma | Yes | |
| 45030002 | Geographic Report | Panorama Reef | Yes | |
| 45030003 | Geographic Report | Salem Express Wreck | Yes | |
| 45030004 | Geographic Report | Abu Soma Garden | Yes | |
| 45030005 | Geographic Report | Tobia Arbaa | Yes | |
| 45030006 | Geographic Report | North GT Isle (Soma Bay) | Yes | |
| 45030007 | Geographic Report | East GT Isle (Soma Bay) | Yes | |
| 450301 | Zone Code list | Geographic Report | Big and Little Brother Islands | |
| 45030101 | Geographic Report | Little Brother Island | Yes | |
| 45030102 | Geographic Report | SW Wall Little Brother Island | Yes | |
| 45030103 | Geographic Report | Big Brother Island | No | |
| 45030104 | Geographic Report | West Wall of Big Brother Island | Yes | |
| 45030105 | Geographic Report | South End of Big Brother Island | Yes | |
| 45030106 | Geographic Report | Numidia Wreck (Big Brother Island) | Yes | |
| 45030107 | Geographic Report | East Wall of Big Brother Island | Yes | |
| 4504 | Zone Code list | Geographic Report | S. of Quseir to Sudan Border (incl. Halaib Triangle) | |
| 45040001 | Geographic Report | Marsa Shona / Marsa Shouna / Shoab El Shouna | Yes | |
| 45040002 | Geographic Report | Elphinstone Reef | Yes | |
| 45040003 | Geographic Report | Sha'ab Sharm | Yes | |
| 45040004 | Geographic Report | Gota Sheleniat | Yes | |
| 45040005 | Geographic Report | Marsa Abou Dabbab North | Yes | |
| 45040006 | Geographic Report | Marsa Abou Dabbab South | Yes | |
| 45040007 | Geographic Report | Sharm Abou Dabbab | Yes | |
| 45040008 | Geographic Report | Marsa Hermez North | Yes | |
| 45040009 | Geographic Report | Marsa Shagra North | Yes | |
| 45040010 | Geographic Report | Marsa Shagra South | Yes | |
| 45040011 | Geographic Report | Marsa Gabal El Rosas | Yes | |
| 45040012 | Geographic Report | Gorgonia Beach | Yes | |
| 45040013 | Geographic Report | Hankorab | Yes | |
| 45040014 | Geographic Report | Siyal Island / Jazirat Suyul | Yes | |
| 45040015 | Geographic Report | Um El Sheikh Island | Yes | |
| 45040016 | Geographic Report | Marsa Mobarak North | Yes | |
| 45040017 | Geographic Report | Marsa Mobarak South | Yes | |
| 45040018 | Geographic Report | Abou Nawas Garden | Yes | |
| 45040019 | Geographic Report | Torombi | Yes | |
| 45040020 | Geographic Report | Sha'ab Abu Dabab 2 / Abu Dabab North | Yes | |
| 45040021 | Geographic Report | Sha'ab Abu Dabab South | Yes | |
| 45040022 | Geographic Report | Sha'ab Abu Dabab 4 | Yes | |
| 45040023 | Geographic Report | Marsa Nakari North | Yes | |
| 45040024 | Geographic Report | Marsa Nakari South | Yes | |
| 45040025 | Geographic Report | Wadi El Gemal House Reef | Yes | |
| 45040026 | Geographic Report | Ras Baghdady | Yes | |
| 45040027 | Geographic Report | Marsa Umm El Abbas | Yes | |
| 45040028 | Geographic Report | Sha'ab Gubar | Yes | |
| 45040029 | Geographic Report | Almathuf | Yes | |
| 45040030 | Geographic Report | Marsa Moren North | Yes | |
| 45040031 | Geographic Report | Marsa Moren South | Yes | |
| 45040032 | Geographic Report | Sha'ab Abu Dabab 3 | Yes | |
| 45040033 | Geographic Report | Umm Halhala North | Yes | |
| 45040034 | Geographic Report | Umm Halhala South | Yes | |
| 45040035 | Geographic Report | Dream Lagoon | Yes | |
| 45040036 | Geographic Report | Blue Lagoon | Yes | |
| 45040037 | Geographic Report | Emerald Lagoon | Yes | |
| 45040038 | Geographic Report | Marsa Egla North | Yes | |
| 45040039 | Geographic Report | Marsa Egla South | Yes | |
| 45040040 | Geographic Report | Marsa Asalaya North | Yes | |
| 45040041 | Geographic Report | Marsa Asalaya South | Yes | |
| 45040042 | Geographic Report | Marsa Sefen | Yes | |
| 45040043 | Geographic Report | Shaab Samadai Cave | Yes | |
| 45040044 | Geographic Report | Shaab Samadai South Pinnacles | Yes | |
| 45040045 | Geographic Report | Shaab Samadai Torpha | Yes | |
| 45040046 | Geographic Report | Marsa Shouna South | Yes | |
| 45040047 | Geographic Report | Marsa Shouna North | Yes | |
| 45040048 | Geographic Report | Shaab Marsa Alam | Yes | |
| 45040049 | Geographic Report | Lagoon View | Yes | |
| 45040050 | Geographic Report | Abo Ramad 1 | Yes | |
| 45040051 | Geographic Report | Abo Ramad 2 | Yes | |
| 45040052 | Geographic Report | Debya | Yes | |
| 45040053 | Geographic Report | Fandiraa | Yes | |
| 45040054 | Geographic Report | Shalateen 1 | Yes | |
| 45040055 | Geographic Report | Shalateen 2 | Yes | |
| 45040056 | Geographic Report | Halyeb Bay Outlet | Yes | |
| 45040057 | Geographic Report | Halyeb Bay Middle | Yes | |
| 45040058 | Geographic Report | Halyeb Condenser | Yes | |
| 45040059 | Geographic Report | El Ghadear | Yes | |
| 45040060 | Geographic Report | SE Siyal Bommies | Yes | |
| 45040061 | Geographic Report | Siyal Island Shore | Yes | |
| 45040062 | Geographic Report | Shaab Abu Dabbab 1 | Yes | |
| 45040063 | Geographic Report | Shaab Abu Dabbab 5 | Yes | |
| 450401 | Zone Code list | Geographic Report | Daedalus Reef | |
| 45040101 | Geographic Report | Daedalus Reef (NE tip) | Yes | |
| 45040102 | Geographic Report | Daedalus Reef (South end) | Yes | |
| 45040103 | Geographic Report | Daedalus Reef (West side) | No | |
| 45040104 | Geographic Report | Anemone City (Daedalus NW) | No | |
| 45040105 | Geographic Report | Daedalus Reef (SE side) | No | |
| 450402 | Zone Code list | Geographic Report | Fury Shoals and nearby islands | |
| 45040201 | Geographic Report | Sha'ab Claudia / Claude / Claudio | Yes | |
| 45040202 | Geographic Report | Sataya / Dolphin Reef | Yes | |
| 45040203 | Geographic Report | Sha'ab Hamam | Yes | |
| 45040204 | Geographic Report | Abou Galawa Soraya | Yes | |
| 45040205 | Geographic Report | Malahi / Malahy | Yes | |
| 45040206 | Geographic Report | Satayh South | Yes | |
| 45040207 | Geographic Report | Gota Satya | Yes | |
| 45040208 | Geographic Report | Gota Heaven | Yes | |
| 45040209 | Geographic Report | Sha'ab Maksour South | Yes | |
| 450403 | Zone Code list | Geographic Report | St. Johns and nearby islands | |
| 45040301 | Geographic Report | Umm Khararem (St. Johns Cave) | Yes | |
| 45040302 | Geographic Report | Umm Eruk (St. Johns) | Yes | |
| 45040303 | Geographic Report | Paradise (St. Johns) | Yes | |
| 45040304 | Geographic Report | Goataa Soraya / Small Gota (St. Johns) | Yes | |
| 45040305 | Geographic Report | Goataa Kebir / Big Gota (St. Johns) | Yes | |
| 45040306 | Geographic Report | Dangerous Reef (St. Johns) | Yes | |
| 45040307 | Geographic Report | Zabargad Island | Yes | |
| 45040308 | Geographic Report | Rocky Island | Yes | |
| 45040309 | Geographic Report | Habil Ali (St. Johns) | Yes | |
| 45040310 | Geographic Report | Small Habili | Yes | |
| 45040311 | Geographic Report | El Orug | Yes | |
| 45040312 | Geographic Report | Sirinata (Mukawwa Island) | Yes | |
| 46 | Zone Code list | Geographic Report | Sudan | |
| 4601 | Zone Code list | Geographic Report | Sanganeb National Park | |
| 46010001 | Geographic Report | Sankaneb East | Yes | |
| 46010002 | Geographic Report | Sankaneb West | Yes | |
| 47 | Zone Code list | Geographic Report | Eritrea | |
| 48 | Zone Code list | Geographic Report | Djibouti |