A edit

• AFOS (Azores Fiber Optic System)
• Almeria-Melilla (Spain mainland interconnect to Melilla on the coast of Morocco)
• APOCS (Atlantic Provinces Optical Cable System)
• APOCS 1B (Atlantic Provinces Optical Cable System)
• APOCS 1C (Atlantic Provinces Optical Cable System)
• APOCS 2 (Atlantic Provinces Optical Cable System)
• AUFS-EAST (Alaska United Fiber Optic Cable System)
• AUFS-WEST (Alaska United Fiber Optic Cable System)

B edit

• Bass Strait 1 (connects Australia mainland to Tasmania)
• Bass Strait 2 (connects Australia mainland to Tasmania)
• Beijing - Qingdao (Lingao) - (China)
• Brazil Domestic
• Bugio (Lisbon-Sesimbra interconnect)

C edit

• CAM-RING (Lisbon - Madeira - Azores, Portugal)
• CANDALTA (Candeleria - Alta Vista, Spain)
• CANI (Chennai - Andaman and Nicobar Islands)
• CC3 (Continent - Corsica 3) (Marseille - Ajaccio, France)
• CC4 (Continent - Corsica 4) (Cannes - Ile Rousse, France)
• CC5 (Continent - Corsica 5) (La Seyne - Ajaccio, France)
• CEIBA-1 (Equatorial Guinea, connects Bata - Malabo)
• Columbia Domestic Festoon
• Como Lake Festoon (Italy)
• Cook Strait Fibre Optic Cable (connects North and South Islands of New Zealand)

D edit

• DFON - (Domestic Fibre Optic Network) - Philippine Long Distance Telephone co. (Philippines)
• DDSCN - (Domestic Fibre Optic Network) - Dhiraagu Plc. (Maldives)

E edit

F edit

• FiberWeb (Ocean Fiber) - connecting oil rigs off the coast of Louisiana

G edit

• Germany Domestic
• Global West Network (California coastline from San Diego to San Francisco)
• GOPTIC (connects Sweden mainland with Gotland)
• Greece Domestic
• Guangdong-Hainan (China)
• Guangzhou-Haikou (China)
• Guangzhou-Shantou (China)
• Gulf of Mexico Festoon (Mexico)

H edit

• Hong Kong Domestic
• HICS (Hawaii Inter-Island Cable System)
• HYERES Festoon 1 (Giens - Porquerolles) - France
• HYERES Festoon 2 (Porquerolles - Port Cros) - France
• HYERES Festoon 3 (Heliopolis - Port Cros) - France
• HYERES Festoon 4 (Heliopolis - Le Lavandou) - France

I edit

• Iberian Festoon (Spain)
• IC-1 (Israeli Coasting 1) - (Israel)
• INDIGO-Central (Australia) - Perth to Sydney
• Italian Festoon
  • (Ancona - Trieste)
  • (Bari - Ancona)
  • (Catania - Locri)
  • (Catania - Bari)
  • (Cefalu - Palermo)
  • (Cetara - Vietri)
  • (Civitavecchia - Giglio)
  • (Civitavecchia - Pomezia)
  • (Elba - Piombino)
  • (Formia - Naples)
  • (Genoa - Pisa)
  • (Giglio - Maddalena)
  • (Grosseto - Citavecchia)
  • (Ischia - Procida)
  • (Lamezia - Messina 1)
  • (Lamezia - Messina 2)
  • (Locri - Catanzaro)
  • (Maddalena - Sassari)
  • (Maiori - Cetara)
  • (Massalubrense - Capri)
  • (Mazara - Pantelleria)
  • (Messina - Cefalu)
  • (Miliscola - Procida)
  • (Naples - Salerno)
  • (Palermo - Rome)
  • (Pisa - Grosseto)
  • (Pomezia - Formia)
  • (Positano - Praiano)
  • (Praiano - Vettica)
  • (Reggio Calabria - Catania)
  • (Reggio Calabria - Gazzi 1)
  • (Reggio Calabria - Gazzi 2)
  • (Reggio Calabria - Gazzi 3)
  • (Salerno - Scalea)
  • (Scalea - Lamezia)
  • (Venice - Ravenna)
  • (Vettica - Maiori)
  • GENSAR 2 - (Savona – Sassari)
  • JANNA - (Olbia - Civitavecchia)
  • JANNA 2 - (Cagliari - Mazara del Vallo)
  • ROMSAR - (Pomezia - Golfo Aranci)
  • ROMSAR 2 - (Rome - Sardinia)
  • SARGEN - (Golfo Aranci-Genoa)
  • SARSIC - (Golfo Aranci-Palermo)
  • SARSIC 2 - (Cagliari-Palermo)

J edit

• Jakarta-Surabaya (SKKL-JS) (connects the two ends of the island)
• Japan Domestic
• JASUKA (Indonesia)
• JIH (Japan Information Highway)
• JRD-3 (Japan Reconfiguration and Digitization) - connects the Kanto Plain in southern Japan with Okinawa
• JAKA2LADEMA (Indonesia), connects Java, Kalimantan, Sulawesi, Bali, and Lombok islands.

K edit

• Korea Domestic
• KSL (Korean Southern Loop) link between Osan US Airbase and Kunsan US Airbase
• KINYRAS (Cyprus)
• Kuantan-Kota Kinabalu (Malaysia) link between Peninsular Malaysia and the Northwest coast of Borneo

L edit

• Lake Michigan Cable - connects Kewaunee, WI to Arcadia, MI (United States)
• Levin-Nelson (Cook Strait) Cable - connects North and South Islands of New Zealand
• LFON (Libyan Fibre Optic Network)

M edit

• Malaysian Domestic Submarine Cable System-North Link
• Malaysian Domestic Submarine Cable System-South Link
• Malaysian Festoon
• Maldives Domestic
• Mallorca-Menorca (Balearic Islands)
• MTC (Guam—Rota, Marianas—Tinian, Marianas—Saipan, Marianas)
• MKCS (Mataram Kupang Cable System, Indonesia), connects major cities in Nusa Tenggara, islands spread to the east of Bali.

N edit

• NDTN - (National Digital Transmission Network) - (Philippines)
• NEPTUNE (North-East Pacific Time-Series Undersea Networked Experiments) - off the coast of Canada
• Nigeria Domestic
• Norway Domestic
• Novorossiysk-Sochi (Russian Black Sea Interconnect)

O edit

• OLERON (France mainland and Oleron Island connection)

P edit

• Palau Inter-Island System
• Palapa Ring (Indonesia)
• Pangkalpinang-Pontianak (Indonesia)
• PENBAL-1 (Barcelona - Palma) - (Spain)
• PENBAL-3 (Cabrera de Mar - Molina) - (Spain)
• PENBAL-4 (Valencia - Ibiza) - (Spain)
• PENBAL-5 (Gava - Ses Covetes) - (Spain)
• PENCAN-5 (Spain) (connects mainland Spain to Gran Canaria and Tenerife)
• PICOT (New Caledonia archipelago)

Q edit

R edit

S edit

• San Andrés Island-Providencia Island (Colombia)
• Sesimbra-Lagos (Portuguese Interconnect)
• Sochi-Poti (Russian Black Sea Interconnect)
• South Korea Domestic
• Sumatra-Java-Melaka (Indonesia)
• Svalbard Undersea Cable System - Mainland Norway to Svalbard Islands

T edit

• Taean-Chingdao (South Korea)
• TEFKROS (Cyprus)
• Thailand Domestic
• TM-1 (Taiwan)
• TT-1 - connects Trinidad to Tobago
• TURMEOS-1 (Turkey Marmara Aegean Optic System) - connects Izmir to Istanbul

U edit

UNSC-Unitel North Submarine Cable

V edit

• Venezuela Domestic Festoon
  • (Cabimas - Maracaibo)
  • (Maracaibo - Punto Fijo)
  • (Punto Fijo - Coro)
  • (Coro - Chichiriviche)
  • (Chichiriviche - Puerto Cabello)
  • (Puerto Cabello - Camuri)
  • (Camuri - Higuerote)
  • (Higuerote - Puerto La Cruz)
  • (Puerto La Cruz - Cumana)
  • (Cumana - Porlamar)
  • (Porlamar - Carupano)

W edit

• WCI CABLE (Alaska - Oregon)
• Wellington Harbour Link (Wellington, New Zealand)

X edit

Y edit

Z edit

• ZanLink - (Tanzania)