Wed--Enjoy the Famous Wednesday Mkt ie Flea Mkt (Anjuna Beach) and have a very peaceful evening at the Beach.
On Thursday--Enjoy the Water sports at Baga/Calangut beach and The Trance Party at Night at Anjuna Beach .
On Friday--- Shop at Mapusa Market one of the famous markets in Goa and visit the Morjim...Ashvem...Aramol..Mandrem beaches
On Saturday---leave for South Goa and visit the famous old Goa church Mangeshwari Temple ,Museums,Art gallery,the spice plantation in Ponda .In the evening Saturday Nite Mkt and Mackies Nite mkt at Arpora.
The Nite mkt goes till 3-4 in the morning.
One thing which is really imp, is rent a bike thats suites you because the ride on the bike will help you explore more of goa by your own .