Sea

A body of saltwater smaller than an ocean.

sea

A large body of saltwater, smaller than an ocean and often partially enclosed by land. Seas connect to oceans but are typically located at the margins of continents or within them.

/siː/

From Old English sǣ, from Proto-West Germanic *sæ

A sea is like a smaller ocean – it's a big area of salty water, often partly surrounded by land.

What is the difference between a sea and an ocean? Seas are generally smaller than oceans
Are all seas coastal? Yes, most seas are located on the edge of continents
Can a sea be landlocked? Yes, the Caspian Sea is an example

sea maritime area

ocean body of water

Mediterranean Sea Baltic Sea Caribbean Sea

waves coastline seabed

Earth planet

geographical feature natural object