Sopara the oldest port

Sopara near Mumbai was a prosperous port of the west coast of India since the beginning of the first millennium B.C. till as late as 15th century A.D. Known under the names of Shutparak, and Suppara and identified with Ophir of Solomon’s times by some scholars, this port center, an outlet to the trade of Deccan, has a rich inscriptional reference

This is the same as the present day place called Nala Sopara.
However today it is on land majorly Nala Sopara was one of the oldest connectors to india as a port.

Here are some links

http://www.geocities.com/unitedit/places/SoparaPort/SoparaArticle.htm
http://en.wikipedia.org/wiki/Sopara