It takes around one hour to reach by ferry and 20 minutes by speedboat.
How to reach alibaug by ferry. From there they have their buses that take you to Alibag. 16 rows From Mandwa to Alibaug ST. It takes lesser time and is much more comfortable.
At DrVhorkate Shatayu Aashram Hospital continue onto Alibag - Rewas Road. Huge ferry with all the facilities needed for a 1 hr journey to Alibaug. Inside the luxury cafeteria of M2M Ro-Ro ferry.
Head north on Alibaug Rewas Road toward Savta Mali Road. Yes ferry service to Alibaug from Mumbai includes transfer from Mandawa to Alibaug. Mumbai to Alibaug by M2M Ferries With a joint initiative with the Maharashtra Maritime Board MMB and the Mumbai Port Trust MbPT M2M Ferries Private Limited has recently started the Ro-Pax Ferry service.
The ferries go to Revas Jetty and take approximately an hour and a half to get there. It was perfect to take an air-conditioned ride after 2 tiring days in Alibaug. If traveling from Mumbai you can take ferry ride from Gateway of India to reach Mandwa in just an hour.
The ferry operators from Gate Way of India also offer bus service to Alibaug bus depot from Mandwa ferry wharf and also a pick up bus service from Alibaug bus depot to Mandwa at corresponding to the time of the ferry from Mandwa to Alibaug for. You can also reach the place easily through local trains. Boarding point is Bhaucha Dhakka where one can easily reach from private or public transport.
Location of Mumbai Alibaug Ticket Counter and Boats. This is going to. The boats can be pretty crowded during long weekends holidays and peak hours.