The average ocean depth is 2.5 miles (4 km).
14 billion pounds (6B Kg.) of garbage are dumped into the ocean every year. Most of it is plastic.
If we could capture just 0.1% of the ocean’s kinetic energy caused by tides, we could satisfy the current global energy demand 5 times over.
29,000 rubber ducks were lost at sea in 1992, and are still being found, revolutionising our knowledge of ocean science.
Europe and Africa are only separated by 14.3 km (8.9 mi) of ocean and there are talks of creating the longest bridge ever.
The Atlantic Ocean is big enough to let every person in the US have their own cubic kilometer in it.
The world’s oceans contain nearly 20 million tons of gold.
In Newfoundland, Canada, the Atlantic Ocean sometimes freezes so people play hockey on it.
At the ocean’s deepest point, the water pressure is the equivalent of having 50 jumbo jets piled on top of you.
70% of the oxygen we breathe are produced by the oceans.
There are over 3 million shipwrecks on the ocean floor according to the U.N.
Oceans cover 71% of the Earth’s surface.
95% of the underwater world remains unexplored.
100% of the earth’s ocean floor has been mapped to a maximum resolution of around 5km.
The Bermuda Triangle has as many ship and plane disappearances as any other region of the ocean.
The U.S. Army admitted it secretly dumped 64 million pounds of nerve and mustard gas agents into the ocean from 1944 to 1970, along with 400,000 chemical-filled bombs and more than 500 tons of radioactive waste.
10,000 shipping containers are lost at sea each year and 10% of those hold toxic chemicals which may leak into the ocean.
There’s an ongoing decrease in the pH of the Earth’s oceans: they are 30% more acidic than in 1751.
It’s okay to pee in the ocean since 95% of urine is water and the nitrogen in urea is used to feed ocean plants.
A man called Harold Hackett has put over 4800 messages in bottles into the ocean and has gotten 3000 responses back.
Before compasses, Vikings navigated the ocean using birds, whales, celestial bodies, chants and rhymes.
In three decades, the world’s oceans will contain more discarded plastic than fish when measured by weight, researchers say.