- C-130 Hercules Plane Wreck
- C-130 Hercules, wreck
- C-47 Dakota (Wreck)
- C-50 Rivapalacios (Wreck)
- C-53 Wreck Felipe Xicotencatl
- C-56 (Juan Escutia) Shipwreck
- C-59 Wreck
- C47 Airplane Wreck
- C47 Dakota UÇAK BATIĞI
- C58
- Caamaño - la Loberia
- Cabañas
- Cabbage Patch
- Cabeço da Sapata
- Cabeço das Cordas
- Cabeço Dois Irmaos
- Cabeço Submarino
- CABEÇOS ILHÉU MOSTEIROS
- Cabeza del Caballito Catedral "La Cate
- Cabilao Island
- Cabinsite Cove
- Cable Wreck (حطام سفينة الكيابل)
- Cables
- Cabnav (Muck Dive)
- Cabo Cabron - The Wall
- Cabo Negro
- Cabo Pulmo
- Cabo San Antonio
- Cabo San Lucas
- Cabo Submarino
- Cabo Udra
- Cabrera - Cala Galiota
- Cabrera - Cap de Llebeig
- Cabrera - Illes Bledes
- Cabrita
- Cabrita Pinnacle
- Cabritos
- Cabu
- Cacaluta, Coral Garden
- Cacaluta East
- Cacaluta West
- Caccerees Sunken Island the Wall
- Cacique
- Cactus Beach
- Cadena
- Cagaires
- Cagarras
- Cagarras Fundas
- Cage Fishing 箱網海龜區
- Cahaya Way
- Cai (63)
- Caieiras
- Caló d'en Monjo
- Caló des Llamp
- Cal Dimoni
- Cala Abierta
- Cala Bella Dona
- Cala Bianca le Due Gerardie
- Cala Blanca
- Cala Borp
- Cala Burtza
- Cala Calella
- Cala Canyelles
- Cala Cerrada
- Cala Cicale
- Cala Corsi
- Cala de la Escalerica
- Cala de los Frailes
- Cala dei Santi
- Cala del Bollo
- Cala del Faro
- Cala del Mal Pas
- Cala Egos North
- Cala en Brut
- Cala Ferriol
- Cala Fornells
- Cala Fría
- Cala Fria
- Cala Galdana
- Cala Galiota
- Cala Grande
- Cala Guillosa
- Cala Illurgieta
- Cala Incina Parete Nord
- Cala Iza
- Cala Llamp
- Cala Llebeige
- Cala Llonga Cave
- Cala Margarita
- Cala Marmassen
- Cala Martina
- Cala Moli
- Cala Molins - Cala Carbó
- Cala Montjo
- Cala Morell
- Cala Murta Menorca
- Cala Nova
- Cala Punta Santa Ana
- Cala Rafalet
- Cala Rossa Shoal
- Cala Santandria
- Cala Sardina
- Cala Serena
- Cala Tuent
- Cala Vidre Sud
- Cala Viola
- Cala Viola Ponent
- Cala Viuda
- Calabas Reef
- Calçada do Gigante
- Calaiza
- Calamareo
- Cala’n Blanes
- Cala'n Forcat
- Calarreona
- Calderinha
- Calderinha Wreck
- Calderón
- Cale de Jouvente
- Cales Piques
- Caleta de Chon
- Calf Rock
- Calf Rock
- Calhaus
- Calichan
- Calimera
- Caloura Arches
- Caloura Panela
- Calypso
- Calypso Saarbrücken
- Cambra Beach
- Camel
- Camera Bay, Racha Noi
- Camino de Altura
- Camp Cove
- Camp Cove South
- Camp Ujca
- Campalans Wall
- Campanella
- Campingplatz Wallnau, Fehmarn
- Campo 7 Sección 1
- Camps Reef
- Canal da Ilha Menina
- Canal da Sela da Gineta
- Canal del Inglés
- Canal d’hossegor
- Canal Rocks
- Canales Dive Sites
- Canalone
- Canaloni
- Canareef north
- Canareef Outside
- Canareef south
- Canavial
- Candaping B Sanctuary
- Candia Housereef
- Candice Faru
- CANDICE THILA
- Candlagan Creek
- Candle Rock
- Candyland
- Cane Bay
- Caneca Wall
- Cangmunag Sanctuary
- Canhoneira Faro
- Canjana
- Cannibal Rock
- Cannon Reef
- Cannon Site
- Cannonball Cut
- Cannons
- Canoe Lake
- Canons
- Canons de Tamariu
- Cantarell
- Cantarijan
- Canterbury Wreck
- Cantik Point
- Cantil Bajo Bonito
- Cantil Isla San Pedro
- Canto del Bajito
- Canto del Mero
- Canyon
- Canyon
- Canyon
- Canyon
- Canyon
- Canyon 1, Boca Chica
- Canyon, Dahab
- Canyon Dekel South - קניון חוף הדקל
- Canyon do Inferno
- Canyon Lake, Canyon Lake Park, Texas
- Canyon Reef
- Canyon Reef
- Canyon Terra
- Canyon Wall
- Canyones, Boca Chica
- Canyons
- Canyons - Dominican Republic
- Canyons - Moorea (Tahiti)
- Cañonero el Tajo
- Cañones de Vedranell
- Cañones Es Vedranell
- Cap Béar
- Cap d’Artrutx
- Cap de Cala Figuera
- Cap des Mèdes
- Cap Dor
- Cap Freu
- Cap Gros
- Cap Manuel
- Cap Matoopa
- Cap Roig
- Cap Sagro
- Cap Salomon
- Cap Wörth Pool
- Cape Banks
- Cape Hedo Air Dome
- Cape Kri
- Cape Kyan
- Cape Maeda
- Cape Maeda (Blue Cave)
- Cape Mansuar
- Cape Morcone
- Cape No.6
- Cape No.7
- Cape Ose
- Cape Peron / Point Peron
- Cape Solander
- Capenwray
- Capernwray
- Capernwray Dive Site
- Capo Fonza
- Capo Galera Diving Center House Reef
- Capo Grecale Nord
- Capo Noli
- Cappadocia
- Cappelletta di Ronco
- Capt. Dons Reef
- Captain Arnos Reef
- Captain Don’s Habitat
- Captain Don’s Reef (K)
- Captain Franco Wreck
- Captain Grumpy
- Captain Mike's
- Capua Wreck
- Capybara
- Car Pile - Grenada
- Car Pile - Marie Pampoen (Wreck)
- Car Pile (The Dive Bus House Reef)
- Car Wreck
- Car Wrecks (Kokomo Beach)
- Cara a Cara
- Cara-a-cara Marco's Place Shark Dive
- Carabao Islad
- Caracasbaai
- Caragua - Shipwreck
- Carai Bernat
- Carall Bernat
- Carbón
- Cardona
- Cardwell SPA Pool
- Careless Reef
- Carel’s Vision (8)
- Cargo
- Cargo Armato
- Carib Cargo
- Carib Cargo (Wreck)
- Caribbean Club Sand Chute
- Carinas Point
- Carless Reef
- Carlisle Bay
- Carlos Rosario Wall
- Carlos Rosario Wall
- Carlotta
- Carl's Hill
- Carl’s Hill (V)
- Carlton House Reef
- Carmel River State Beach
- Carnoch Bay - Ballaculish
- Carolita X127
- Carpenter Reef
- Carreiro dos Cações
- Carriere de la Rochefontaine
- Carriere de Vodeleé
- Carriere du Flato - Floreffe
- Carrière de Barges
- Carrière de Chamagnieu
- Carrière de Dour
- Carrière de Floreffe
- Carrière de la Gombe
- Carrière de Lillé
- Carrière de Rochefontaine
- Carrière d’Opprebais
- Carrière du Rocher Coupé
- Carrière Flintkote
- Carrière Trois Fontaines
- Carrizalillo
- Carro Norte
- Cars
- Cartanza Wreck
- Carthaginian Ii Wreck
- Carval Rock
- Carval Rock
- Carwitzer Becken
- Carwitzer Mühle/Badestelle Carwitz, Schmaler Luzin
- Carysfort Lighthouse Reef
- Carysfort Reef Light
- Cas Abou
- Casa Blanca
- Casa Cenote
- Casa del Mundo
- Casa Del Árabe
- Casa del Sindaco
- Casa Verde
- Casablanca
- Casino Point
- Casino Point Dive Park
- Castells
- Castelo
- Castelo de Neptuno
- Castelynse plas
- Castle
- Castle Bay
- Castle Beach
- Castle Reef
- Castle Rock
- Castle Rock
- Castle Rock Cape Town
- Castle Wall
- Castor Rock
- Casuarina Point Reef Don Foster's Dive House Reef
- Casulian
- Catalina Aquarium
- Catalina Island
- Catalina Island - Dominican Republic
- Catalina Island, Tbd
- Catalina The Wall
- Catalinas Island, Clásico
- Catalinas Island, North
- Cataratta Shoal
- Catedral
- Catedrales
- Catermaran Wreck
- Cates Park in Deep Cove
- Cathchers Mitt - Tijou Reef - GBR
- Cathederals
- Cathedral
- Cathedral
- Cathedral
- Cathedral
- Cathedral
- Cathedral
- Cathedral Cave
- Cathedral Cave
- Cathedral Cavern
- Cathedral Cavern
- Cathedral Tower
- Catherine Hill Coal Loader
- Caticugan Wall
- Cativo
- Catrapona
- Catuan (Wreck)
- Cauldron
- Cavala
- Cavala, Sal
- Cave
- Cave
- Cave Bay
- Cave Island
- Cave Lucice
- Cave Site
- Caveam
- Cavern Bay
- Caverna da Sapata
- Cavernas
- Caves
- Caves
- Caves and Overhangs
- Caves, Cape Greco
- Caves, Santorini
- Caye Caulker Marine Reserve
- Caye verte
- Cayman Brac
- Cayman Salvager (Wreck)
- Cayo Coco
- Cayo del Agua
- Cayo Largo
- Cayo Lobo
- CAYO MEDIO
- CAYO NORTE
- Cayo Pescadores
- Cayo Piedra Reef
- Cayos Cochinos Seamount
- Cazino Constanta
- Cebaco Bajo Cagado
- Cedar Hills
- Cedar Pass
- Cedar Pride
- Cedar Pride, wreck
- Cedral Wall
- Cedric Wall
- Cela 12/20 Wall
- Cela-cela
- Cement Wreck
- Cementco Wreck
- Cementerio de Barco (Mole)
- Cemetery Bay
- Cemitério dos Navios
- Ceningan Wall
- Cenote Angelita
- Cenote Car Wash (Aktun Ha)
- Cenote Chac Mool
- Cenote Chak Mol
- Cenote Chan Hol
- Cenote Chikin Ha
- Cenote Cristalino
- Cenote dos Ojos
- Cenote Dos Palmas
- Cenote Dream Gate
- Cenote El Pit
- Cenote Kukulcan
- Cenote Kukulkan
- Cenote Maravillas
- Cenote Nayah
- Cenote Nicte Ha
- Cenote Noh-mozon
- Cenote Nohoch Nah Chich
- Cenote Sabak Ha
- Cenote Suem
- Cenote Taak Bi Ha
- Cenote Tajma Ha
- Cenote Tak Be Lum
- Cenote Tanimax
- Cenote Yaal Utzil
- Cenote Yax-Chen
- Cenote Zapote (Hells Bells)
- Centeen Park
- Central, Breaking Patches
- Central Electrica
- Central Station
- Centro Sportivo Milanaccio
- Cepu
- Cerebros
- Cerianthus 38 Mt
- Cermona Ii
- Cerro Gordo Beach
- Cerro Partido
- Cervi Cave
- Cesar's Reef
- CFK Lagoon
- Chū hana No.2
- Cha Cha Cha
- Chachacual West Point
- Chai Kou 柴口
- Chain Reef
- Challenger Rock
- Challière
- Chalok Bay
- Chamber of Secrets
- Champagne
- Champignon
- Chanel Drift
- Chankanaab
- Chankanaab Bolones
- Chankanaab Shallows
- Channel Crevices
- Channel Rock
- Chaojing Park 基隆潮境公園
- Chaparro (Wreck)
- Chapati
- Chapati Tilas
- Chapeirao Atlantida
- Chapeirão Jean Pierre
- Chapeirão Mau Mau
- Chapel (Agioi Anargyroi)
- Charco Natural
- Charco Verde
- Charles L. Brown
- Charles L. Brown, wreck
- Charlotte Wreckeck
- Charly shoal
- Charneca (Wreck)
- Charpignat
- Chase Reef
- Chattham Reef
- Chayo’s Cave
- Chebeh East
- Chebeh Island
- Chebeh West Deep
- Checkers
- Cheeca Rocks
- Chen Rio
- Chengue
- Chengue Tec
- Cherimon
- Cherry Hill
- Cherubs Cave
- Chesil Beach
- Chesterfrost Park
- Cheynes Beach
- Cheynes III (Wreck)
- Chez Hines (39)
- Chez Hortense
- Chicken Reef
- Chicken Wreck (M.V Glaros)
- Chico 1
- Chico 2
- Chico 3
- Chiemsee/Breitbrunn (Urfahrn)
- Chien Tong
- Chien Tong, wreck
- Chileno
- Chiliguaro
- Chimanan's Hat
- Chimney
- Chimney
- Chimney
- Chimney
- Chimney Cave
- Chimo
- Chindrieux
- Chinese Wall
- Chip Chip Wreck
- Chishi
- Chishima
- Chlausenegg
- Chlausenegg / Känzeli
- Choclassa
- Chocolate Island
- Chong Talu
- Chorizo
- Chowder Bay
- Chris’ Wall
- Chrisoula K., wreck
- Christ of the Abyss
- Christ of the Abyss
- Christina's Wall
- Christine Plateaux
- Christmas Cove
- Christmas Point
- Christmas Tree Cave
- Chromis Reef (middle)
- Chrousso Bay
- Château de Duingt
- Chub Hole
- Chumphon Pinnacle
- Chun Zumbul
- Chun Zumbul Deep
- Chunchacah
- Chupadero - El Puertito de La Lajita
- Churchill Barrier 3
- Churchill, Thunersee
- Chutes and Ladders
- Ciappa del Lupo
- Cierna Voda - Feketenyek
- Cimodocea
- Cinco Metros, Las Ballenas
- Cinco Ribeiras
- Cinderella's Castle
- Cindy's Corner
- Cinto
- Circle Divers Dahab House Reef
- Circle Divers House Reef
- Circle of Heroes at Veteran’s Reef
- Circle of Heroes Memorial
- Circle of Heros
- Circleville Twin Quarries
- Circus
- Cirkewwa
- Cirkewwa Arch
- Cirkewwa - Paradise Bay Reef
- Cirkewwa Reef
- Cirkewwa - Susie's Pool
- Cistern Point
- Citrus Ridge
- City Extra
- City of Washington (Wreck)
- City of York
- CJ’s Dropoff
- Clan Stuart
- Clarks Hill, East Dam
- Classroom
- Cleaner Station South Solitary Island
- Clear Lake
- Clear Lake Public Beach
- Cleio Shipwreck
- Clement Reef
- Clement's Reef
- Cliff
- Cliff (28)
- Cliff Hanger
- Cliff House
- Cliffs
- Clifton Gardens
- Close Encounter
- Close Encounters
- Clot del Boc
- Clovelly Pool
- Clown Island 小丑島
- Clown Reef
- Coal wreck
- Coast Guard Ship Wreck
- Coastguard Wreck
- Cobalt Ridge
- Cobia Cave
- cockatoo point
- Cockle Shell Bay
- Cock’s Comb Island
- Coco Bay
- Coco Beach
- Coco Cay
- Coco Giri Thila
- Coco North
- Coco Reef
- Coco South
- Cocoa Corner
- Cocoa Dream
- Cocoa Outside
- Cod Hole - Ribbon No 10 Reef - GBR
- Codspot
- Coffins Patch
- Coki Point Beach
- Coladas
- Cold Water Cave
- Colijnsplaat Oostnol
- Colombia Deep
- Colombia Reef
- Colombia Shallows
- Coloradas Reef
- Colosseum
- Colosseum
- Colours
- Columbi Beach
- Columbia River Canyon
- Comal River, Landa Park, New Braunfels, Texas
- Comino Island - Alex's Cave
- Comino Island - Blue Lagoon
- Comino Island - Crystal Lagoon
- Comino Island - Lantern Point
- Comino Island - P31 Patrol Boat
- Comino Island - Santa Marija Cave
- Cominoland - Mv
- Como Ii Wreck
- Compass House Reef
- Complejo Aquatico Medellin
- Conception South
- Condo
- Condor's Bank
- Confetti Bay
- Confucius Rock孔子岩
- Conger Alley
- Congo
- Constandis Wreck
- Construction Artificial Reef
- Containers Bay
- Contentin
- Contrà Pria-Arsiero
- Contreras Dive Sites
- Controfrati
- Cook Island
- Cook Island - North Wall
- Cooper River South Carolina
- Copernico
- Copper Roof House
- Coquitos
- Corais de Ondina
- Coral
- Coral 1
- Coral Anchors
- Coral Bank
- Coral Bay
- Coral Bay
- Coral Bay 2
- Coral Beach
- Coral Beach
- Coral Bowl
- Coral Cave
- Coral Forest
- Coral Garden
- Coral Garden
- Coral Garden
- Coral Garden
- Coral Garden
- Coral Garden
- Coral Garden
- Coral Garden
- Coral Garden
- Coral Garden Amami Oshima
- Coral Garden / Gassous Bay
- Coral Garden Ghalib
- Coral Gardens
- Coral Gardens
- Coral Gardens
- Coral Gardens
- Coral Gardens
- Coral Gardens
- Coral Gardens
- Coral Gardens 1 حديقة المرجان
- Coral Gardens - Dominican Republic
- Coral Gardens, Great Dog, BVI
- Coral Gardens - Lady Elliot Island
- Coral Gardens, Saint Lucia
- Coral Gardens Split Solitary Island
- Coral Hills
- Coral Island/ 데블스 마이톤NO2
- Coral Nursery
- Coral Nursery
- Coral Nursery
- Coral Nursery, Carriacou
- Coral Reef Resort
- Coral Restoration Foundation Nursery
- Coral Ridge
- Coral Street
- Coralarium
- Coralita
- Coralita
- Corallo Nero
- Corbella
- Corbella Ovest
- Cordeca (Wreck)
- Cordero González
- Cordilheiras
- Corn Wreck
- Cornelius Bay
- Corner Bar
- Coron Virgin
- Corona
- Corporal Meiss (37)
- Corral
- Corralito
- Corralón
- Correc Llarg
- Corridas
- Corridors
- Corsair Wwii
- Corte
- Cortinas
- Corveta Camaquã
- Corveta Ipiranga V17
- Costa Brava
- Costandis
- Costao de Itaipu
- Costello Di Paraggi
- Costão da Jaconema - Deck Pous Nautilus (Ilha Grd RJ)
- Cosy Corner
- Cottesloe Groyne
- Cottrell Key
- COUCOUNE TOMBANT DE BARRERE
- Country Garden (14)
- Courier
- Cousin Island
- Cova Blava
- Cova de la Sal
- Cova del Cap Gros
- Cova des cavall
- Cova des Pintor
- Cova do Sonho
- Cove
- Coves de Addaia
- Coves de l'Estany
- Coves de Port Salvi 2.0
- Cow and Calf
- Cow and calf
- Cow Passage
- Cow Rock
- Cow Rock
- Cozumel
- Cozy Canyon
- Crabby
- Craggen
- Cranberry Cove
- Crashboat Wall and Anchor
- Crater
- Crater Jr.
- Cratera
- Craters Edge
- Cravo Fora
- Crayfish Bay
- Crazy coral
- crazy eight
- Círculo Militar do Paraná
- Creole Reef
- Crescent Bay
- Cretaland Shipwreck
- Creux de Genthod, Genfersee (Lac Leman)
- Crevasse
- Cristo degli Abissi
- Critter Circus
- Critter Corner
- Critter's Alley
- Critters Walk
- Crna Punta
- Croce
- Crocodile Island
- Crocodile Reef 雞仔礁
- Crocodile Rock
- Croisette, La Carrière Vodecée
- Cromhall
- Cromhall Quarry
- Crook's Castle
- Cross Hole
- Cross Line
- Cross Over
- Crosses
- Crowded Garden - Great Detached Reef - GBR
- Cruentats Cave
- Crystal Bay
- Crystal Bay Koh Samui
- Crystal Beach
- Crystal Palace
- Crystal Palace, Rottnest Island
- Crystal Park
- Crystal Rock
- Cs Levant Ii
- cts biel
- Cuatro piedras, Catalina Islands
- Cubos
- Cuesta del Faro
- Cueva Anklis/Churchdoor
- Cueva de Cabo la Nao
- Cueva de Coral
- Cueva de Coral, Dwejra, Gozo
- Cueva de Escorxada
- Cueva de la Capilla
- Cueva de la Luz
- Cueva de la Virgen
- Cueva de la Virgen, Ruta Ana María
- Cueva de las Gambas
- Cueva de las Morenas
- Cueva de las Palomas
- Cueva de los Ingleses / English Cave
- Cueva de los jureles
- Cueva de los Organos
- Cueva de los Peces
- Cueva de Radazul
- Cueva del Agua
- Cueva del Diablo
- Cueva del Elefante y El Enano
- Cueva del Jarro
- Cueva del Lago
- Cueva del Pont de’n Gil
- Cueva del Toro
- Cueva del Zorro
- Cuevas
- Cuevas, Ct 12 ,Ct 17 ,Ct 11
- Cuevas de Cantarriján
- Cuevas de la luz
- Cuevas de los Corales
- Cuevas de Macarella
- Cuevas de Ses Caletes
- Cuevas del Cabo de Salou
- Cuevitas
- Cuevitas
- Cuevitas Deep
- Cuevitas - Dominican Republic
- Culebra, Puerto Rico
- Culebras
- Cultus Lake
- Curtin Artificial Reef
- Curtin Artificial Reef - Moreton Bay
- Customs House
- CWTC
- Cyclone
- Cyclops
- Cyclops Cave
- Cyclops Caves
- Cynthiana
- Cynthiana Beach
- Cypress Canyons
- Cypress Spring
