Without having few basic information on your interests, expectations, time, budget etc., the question is rather vague.
Mumbai is a great place. Gateway Of India, Elephanta, Marine drive, Worli sea face, Chowpatty, Juhu beach, Mumbadevi, Mahalakshmi temples, Museums, Aquarium, Borivili national park etc. are worth seeing.
Lord Jagadeeswara temple in Powai is worth a visit. Visit Navi Mumbai, a planned city, take a drive along the 10 km Palm Beach Marg, a six-lane state-of-the-art road that connects Vashi to CBD-Belapur running parallel to the Thane creek, a twin of the Marine Drive. See Balaji Temple,Swaminarayanan Temple, Mata Amritanandamayi Math, Shiv Mandir inside Narayanaguru Complex, Little Flower Church, all at Brahmagiri, Sector 20. Hanuman / Anjaneyar Mandir inside SIES Complex - tallest monolithic granite idol of Hanuman in the country.
Nearby hill stations: Khandala, Lonavala, Matheran, Igatpuri, Jawahar, Mahabaleshwar, Panchgani etc. beaches: Alibaug, Kashid, Kihim, Murad, Bordi etc.
Decide your itinerary according to your interests. Have a nice time in Amchi Mumbai.
Dr. Mrs. Krishnaja A.P.
30-3-2016. Report Abuse