Catalogue

Explore every sea & ocean

Browse alphabetically or by region. 51 entries curated.

AtlanticSea

Adriatic Sea

Between Italy and the Balkan Peninsula

Depth
1,233 m
Temp
11 to 26 °C
Area
139k km²
0 logs
Explore →
AtlanticSea

Aegean Sea

Between Greece and Turkey

Depth
3,543 m
Temp
12 to 26 °C
Area
214k km²
0 logs
Explore →
IndianSea

Andaman Sea

Southeast of the Bay of Bengal, west of Thailand

Depth
4,198 m
Temp
25 to 30 °C
Area
798k km²
0 logs
Explore →
IndianSea

Arabian Sea

Between the Arabian Peninsula and India

Depth
4,652 m
Temp
22 to 30 °C
Area
3,862k km²
0 logs
Explore →
ArcticOcean

Arctic Ocean

Surrounding the North Pole

Depth
5,550 m
Temp
-2 to 8 °C
Area
15,558k km²
0 logs
Explore →
AtlanticOcean

Atlantic Ocean

Between the Americas and Europe/Africa

Depth
8,376 m
Temp
-2 to 29 °C
Area
106,460k km²
0 logs
Explore →
AtlanticSea

Baltic Sea

Northern Europe

Depth
459 m
Temp
0 to 17 °C
Area
377k km²
0 logs
Explore →
ArcticSea

Barents Sea

North of Norway and Russia

Depth
600 m
Temp
-1 to 10 °C
Area
1,400k km²
0 logs
Explore →
IndianBay

Bay of Bengal

Northeastern Indian Ocean

Depth
4,694 m
Temp
25 to 30 °C
Area
2,172k km²
0 logs
Explore →
ArcticSea

Beaufort Sea

North of Alaska and Canada

Depth
4,683 m
Temp
-1.8 to 2 °C
Area
476k km²
0 logs
Explore →
PacificSea

Bering Sea

Between Alaska and Russia

Depth
4,151 m
Temp
-2 to 10 °C
Area
2,000k km²
0 logs
Explore →
AtlanticSea

Black Sea

Between Eastern Europe and Western Asia

Depth
2,212 m
Temp
8 to 24 °C
Area
436k km²
0 logs
Explore →
AtlanticSea

Caribbean Sea

Between Central America and the West Indies

Depth
7,686 m
Temp
24 to 29 °C
Area
2,754k km²
0 logs
Explore →
IndianSea

Caspian Sea

Between Europe and Asia (endorheic)

Depth
1,025 m
Temp
0 to 27 °C
Area
371k km²
0 logs
Explore →
PacificSea

Celebes Sea

Between the Philippines and Indonesia

Depth
6,220 m
Temp
27 to 30 °C
Area
280k km²
0 logs
Explore →
AtlanticSea

Celtic Sea

South of Ireland, west of Britain and Brittany

Depth
200 m
Temp
9 to 18 °C
Area
300k km²
0 logs
Explore →
ArcticSea

Chukchi Sea

Between Alaska and Russia, north of Bering Strait

Depth
1,256 m
Temp
-1.8 to 4 °C
Area
595k km²
0 logs
Explore →
PacificSea

Coral Sea

Off Australia's northeast coast

Depth
9,140 m
Temp
20 to 30 °C
Area
4,791k km²
0 logs
Explore →
PacificSea

East China Sea

Between China, Korea, Japan, and Taiwan

Depth
2,716 m
Temp
7 to 27 °C
Area
1,249k km²
0 logs
Explore →
ArcticSea

East Siberian Sea

North of eastern Siberia

Depth
915 m
Temp
-1.8 to 5 °C
Area
987k km²
0 logs
Explore →
ArcticSea

Greenland Sea

Between Greenland and Svalbard

Depth
4,846 m
Temp
-1.9 to 6 °C
Area
1,205k km²
0 logs
Explore →
PacificGulf

Gulf of California

Between Baja California and mainland Mexico

Depth
3,000 m
Temp
15 to 30 °C
Area
160k km²
0 logs
Explore →
AtlanticGulf

Gulf of Mexico

Between the US, Mexico, and Cuba

Depth
4,384 m
Temp
18 to 30 °C
Area
1,550k km²
0 logs
Explore →
ArcticBay

Hudson Bay

Northeastern Canada

Depth
270 m
Temp
-1.9 to 9 °C
Area
1,230k km²
0 logs
Explore →
IndianOcean

Indian Ocean

Between Africa, Asia, and Australia

Depth
7,290 m
Temp
22 to 28 °C
Area
70,560k km²
0 logs
Explore →
AtlanticSea

Ionian Sea

Between southern Italy, Albania, and Greece

Depth
5,267 m
Temp
13 to 27 °C
Area
169k km²
0 logs
Explore →
AtlanticSea

Irish Sea

Between Ireland and Great Britain

Depth
175 m
Temp
6 to 16 °C
Area
46k km²
0 logs
Explore →
PacificSea

Java Sea

Between Java and Borneo

Depth
85 m
Temp
27 to 30 °C
Area
320k km²
0 logs
Explore →
ArcticSea

Kara Sea

North of western Siberia

Depth
620 m
Temp
-1.8 to 6 °C
Area
880k km²
0 logs
Explore →
AtlanticSea

Labrador Sea

Between Labrador, Greenland, and Baffin Island

Depth
4,316 m
Temp
-1 to 10 °C
Area
841k km²
0 logs
Explore →
ArcticSea

Laptev Sea

North of Siberia

Depth
3,385 m
Temp
-1.8 to 1 °C
Area
672k km²
0 logs
Explore →
AtlanticSea

Ligurian Sea

Between Corsica and the Italian/French Riviera

Depth
2,850 m
Temp
13 to 25 °C
Area
15k km²
0 logs
Explore →
AtlanticSea

Mediterranean Sea

Between Europe, Africa, and Asia

Depth
5,267 m
Temp
13 to 27 °C
Area
2,500k km²
0 logs
Explore →
AtlanticSea

North Sea

Between Great Britain and continental Europe

Depth
700 m
Temp
6 to 17 °C
Area
570k km²
0 logs
Explore →
AtlanticSea

Norwegian Sea

Between Norway, Iceland, and the Faroes

Depth
3,970 m
Temp
-1 to 12 °C
Area
1,380k km²
0 logs
Explore →
PacificOcean

Pacific Ocean

Between Asia, Australia, and the Americas

Depth
10,994 m
Temp
-1.4 to 30 °C
Area
165,250k km²
0 logs
Explore →
IndianGulf

Persian Gulf

Between Iran and the Arabian Peninsula

Depth
90 m
Temp
15 to 33 °C
Area
251k km²
0 logs
Explore →
PacificSea

Philippine Sea

East of the Philippines

Depth
10,994 m
Temp
25 to 30 °C
Area
5,000k km²
0 logs
Explore →
IndianSea

Red Sea

Between Africa and the Arabian Peninsula

Depth
3,040 m
Temp
21 to 30 °C
Area
438k km²
0 logs
Explore →
AntarcticSea

Ross Sea

Off Antarctica's Pacific coast

Depth
1,200 m
Temp
-2 to 2 °C
Area
637k km²
0 logs
Explore →
AtlanticSea

Sargasso Sea

Central North Atlantic Ocean, bounded by currents

Depth
7,000 m
Temp
18 to 28 °C
Area
3,500k km²
0 logs
Explore →
PacificSea

Sea of Japan

Between Japan, Korea, and Russia

Depth
3,742 m
Temp
0 to 28 °C
Area
978k km²
0 logs
Explore →
PacificSea

Sea of Okhotsk

Between Russia and Japan

Depth
3,372 m
Temp
-1.8 to 12 °C
Area
1,583k km²
0 logs
Explore →
PacificSea

South China Sea

Southeast Asia, bordered by China, Vietnam, Philippines, and Borneo

Depth
5,559 m
Temp
22 to 30 °C
Area
3,500k km²
0 logs
Explore →
AntarcticOcean

Southern Ocean

Encircling Antarctica

Depth
7,236 m
Temp
-2 to 10 °C
Area
20,327k km²
0 logs
Explore →
PacificSea

Sulu Sea

Southwestern Philippines

Depth
5,580 m
Temp
27 to 30 °C
Area
260k km²
0 logs
Explore →
PacificSea

Tasman Sea

Between Australia and New Zealand

Depth
5,943 m
Temp
10 to 23 °C
Area
2,300k km²
0 logs
Explore →
IndianSea

Timor Sea

Between Australia and Timor

Depth
3,300 m
Temp
22 to 30 °C
Area
610k km²
0 logs
Explore →
AtlanticSea

Tyrrhenian Sea

West of Italy, around Sicily, Corsica, and Sardinia

Depth
3,785 m
Temp
13 to 26 °C
Area
275k km²
0 logs
Explore →
AntarcticSea

Weddell Sea

Off Antarctica's Atlantic coast

Depth
5,000 m
Temp
-1.8 to 1 °C
Area
2,800k km²
0 logs
Explore →
PacificSea

Yellow Sea

Between China and Korea

Depth
152 m
Temp
3 to 25 °C
Area
380k km²
0 logs
Explore →
Nautilus

A living atlas of Earth's seas and oceans — curated facts, spectacular wildlife, and a community of explorers.

Explore
  • Interactive world map
  • Shipwrecks of the world
  • Ocean trenches
  • Marine life spotlights
For explorers
  • Post experiences & tips
  • Share photos from your dives
  • Like and comment on others
  • Build your logbook
© 2026 Nautilus · Dive responsibly