Ocean Floor Map

Gulf of Sakhalin depth map

Gulf: average depth about 26 m, deepest 67 m (GEBCO_2026 grid).

Tap or scroll to load the interactive map

Sea level todayDrag the slider to lower the sea and see the land that would appear.

Sea level in metres below today’s. A simple bathtub model: it lowers the sea everywhere by the same amount and does not simulate how the water would really drain.

Key

Sea depth

  • Deeper than 6,000 m
  • 4,000 to 6,000 m
  • 2,000 to 4,000 m
  • 1,000 to 2,000 m
  • 200 to 1,000 m
  • Shallower than 200 m (the continental shelf)

Land height

  • Land up to 500 m
  • 500 to 2,000 m
  • Above 2,000 m

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  • Seabed exposed when the sea is lowered A dashed white line marks today’s coast.

How to read the map. Darker blue is deeper water. Tap anywhere to see how deep the sea is there, or how high the land is, and the nearest named undersea feature. Depths come from the GEBCO_2026 grid, which in most of the deep ocean is predicted from satellite measurements of the sea surface rather than surveyed by ship, and the map’s tiles are coarser than the grid, so narrow trenches read shallower on the map than their true depth. Not for navigation.

Gulf of Sakhalin at a glance

  • 26 maverage depth
  • 25 mmedian depth
  • 67 mmaximum depth
  • 13,684 km²water area

Gulf of Sakhalin is a gulf. Inside its outline the GEBCO grid has about 13,684 km² of water, with an average depth of about 26 m (the middle value is 25 m) and a maximum of 67 m, found at 54.05° N, 140.23° E.

Open the map at the deepest cell and tap to read the depth.

How deep is each part of the Gulf of Sakhalin?

The bar splits the Gulf of Sakhalin's water by depth. Each colour is a depth band, and the shares add up to 100%.

  • 0 to 200 m: 100%
  • 200 to 1,000 m: 0%
  • 1,000 to 4,000 m: 0%
  • 4,000 to 6,000 m: 0%
  • below 6,000 m: 0%

Named features near the deepest point: TINRO Trench (841 km), Kuril Basin (950 km), Kuril–Kamchatka Trench (1,285 km), Kushiro Submarine Canyon (1,349 km).

The Gulf of Sakhalin if sea level dropped

The slider on the map lowers the sea in steps. This table shows how much of the Gulf of Sakhalin's water would be land at each step.

Sea level lowered byBecomes landShare of its water
10 m1,434 km²10.5%
20 m4,179 km²30.5%
50 m13,509 km²98.7%
80 m13,684 km²100%
120 m13,684 km²100%
200 m13,684 km²100%
500 m13,684 km²100%
1,000 m13,684 km²100%
2,000 m13,684 km²100%
3,000 m13,684 km²100%
4,000 m13,684 km²100%
6,000 m13,684 km²100%

A simple bathtub model: it lowers the sea everywhere by the same amount and does not simulate how water would really drain.

Nearby seas

Nearest by the centre of each outline. All oceans and seas

Frequently asked questions

How deep is the Gulf of Sakhalin?

On average about 26 m in the GEBCO grid (the middle value is 25 m). The deepest cell inside its outline is 67 m, at 54.05° N, 140.23° E.

How big is the Gulf of Sakhalin?

About 13,684 km² of water inside its Natural Earth outline, counted from the grid cells that are below sea level.

How much of the Gulf of Sakhalin would be land if sea level dropped?

With the sea 10 m lower, about 1,434 km² (10.5%) of its water would be land. At 6,000 m lower, 100% would be. This is a simple bathtub model that lowers the sea evenly everywhere.

Data: depths from the GEBCO_2026 grid, statistics worked out inside the Natural Earth outline of the gulf. See data sources and licences. The GEBCO Grid should NOT be used for navigation or for any other purpose involving safety at sea.

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