As a former Portugese colony it's glory days may have faded, but the diving it offers gives a taste of sub-aqua delight from it's once-hippy trail destination.
Goa has a small island off it's coast for some good diving. There are several dive sites here:
Only the stern of this ship remains. Depth ranges from 5-15m,
Lighthouse Point Reef
Navy Bay Reef
This is a rocky reef with encrusting and soft coral.
A nice swimthrough that opens into the bay.
St. Georges Reef Wreck
Basel Mission Company Ship
This was a wooden Portuguese ship