FOLLOW THE BLUE
Explore the seas.
Another way into the world: open oceans, inland seas, quiet bays and the channels that connect them.
Find your next water71 seas
A sourced directory of named Natural Earth features, with hydrographic chronicles in preparation.
Seas of the world
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- Area798,000 km²
- Max depth3,777 m
- ShoresIndonesia + 4
Explore this water
- Area470,000 km²
- Max depth6,400 m
- Length1,000 km
- ShoresIndonesia + 1
Explore this water
Source: Natural Earth marine areas · Public domain · release v5.1.2, retrieved 29 October 2026. Marine areas are generalized cartographic labels, not maritime jurisdiction or EEZ boundaries. Inland waters use the separate Natural Earth lakes layer (public domain, fixed snapshot); water extents may have changed. Names and source categories can include inland waters; alternative names are shown where supplied.
Coverage: 292 marine entries plus 85 major inland-water entries selected from Natural Earth’s separate lakes layer. The map also draws all 1,355 lake/reservoir source polygons as a background, with major named waters clickable. This is a fixed generalized snapshot, not a live shoreline. Atlantic/Pacific north–south components share their ocean pages; repeated Great Barrier Reef components share one page. Eleven unnamed source features have no invented pages. This is not a claim to list every locally named sea, inlet or waterbody.