 The planet is approximately 71% water and contains (5) five oceans, including the Arctic, Atlantic, Indian, Pacific and Southern. Their borders are indicated on the world image (right) in varied shades of blue.
For many years only (4) four oceans were officially recognized, and then in the spring of 2000, the International Hydrographic Organization established the Southern Ocean, and determined its limits. Those limits include all water below 60 degrees south, and some of it, like the Arctic Ocean, is frozen.
(oceans by size) 
#1 Pacific (155,557,000 sq km) larger map
#2 Atlantic (76,762,000 sq km) larger map
#3 Indian (68,556,000 sq km) larger map
#4 Southern (20,327,000 sq km) larger map
#5 Arctic (14,056,000 sq km) larger map
(greatest depths in the oceans)
Mariana Trench, Pacific 35,827 ft
Puerto Rico Trench, Atlantic 30,246 ft
Java Trench, Indian 24,460 ft
Arctic Basin, Arctic 18,456 ft
Southern Ocean, 23,737 ft
Deepest Oceans and Seas, details HERE
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Larger Version HERE 
Surface Area of the Planet (510,066,000 sq km) Land Area on the Planet (148,647,000 sq km) 29.1% Ocean Area (335,258,000 sq km) Total Water Area (361,419,000 sq km) 70.9% Type of Water (97% salt), (3% fresh) To convert sq km (kilometers) to sq miles, multiply kilometers by: 0.386102 additional measurement multipliers HERE |
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