Where can I find a shapefile basemap for the Indian Ocean?

Question

I need to plot point data over a basemap of the Indian Ocean. Can anyone tell me where I can find such a basemap in shapefile format? I use ArcView 9.

Thank you.

Answer 1

Try Natural Earth, they have ocean data as ESRI Shapefiles, you will however need to split out just the Indian Ocean from the dataset.

Answer 2

VLIZ provides world maritime boundaries under a reasonable license. See their site for specific downloads.