General Bathymetric Chart of the Oceans (GEBCO)

The GEBCO_08 Grid: a global 30 arc-second grid (~0.8km)
British Oceanographic Data Centre (BODC)

Data provided here are in ArcGIS GRID export interchange file format (e00).
Files need to be uncompressed and imported into ArcGIS as grids.
For example: (Arc: import grid filename.e00 gridname)

Other formats are available (e.g. lat,lon,dep), drop an mail.

Click on images for larger view

Greece	Mediterranean	World
zipped ArcGIS e00 file zipped: 1.7MB unzipped: 11MB	zipped ArcGIS e00 file zipped: 12.3MB unzipped: 128MB	send a message for the world file (too large to be listed here) mail

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