Official Ferry Boat Timings: NB: Elephanta caves are closed on Monday. 9 am to 2 or 3 pm is the ferry boat time from Gateway of India. Last ferry boat from Elephanta is at 5.30 pm.. Frequency of 5 to 15 minutes depending upon the available visitors to get the ferry boat full. Small ferry boat costs Rs.150 ticket per person with return. Small ferry boat starts from left corner before Gateway of India. Double deck ferry boat costs Rs.170 per person with return. Cross the Gateway of India & go on back side of it for double deck board ferry boat. Journey time is 45 to 60 minutes. Ticket can be purchased from boat staff prior to boarding the boat NB: If you travel by small ferry boat to Elephanta & on your return if you wish to travel by big ferry boat then you have pay only Rs.20 extra after showing ticket of small ferry boat. Please choose to travel by double deck ferry boat for both routes & sit on top deck to enjoy boat ride in the company of Seagulls. If you are first time traveler & need complete details on Elephanta visit then please read my review of Elephanta cave.

Closed on mondays

I am not very sure, but I guess they accept cashless mode of payment also.

Actually for sightseeing it's good, but it's quite risky as there are heavy rains in Mumbai region. The route to walk up to elephanta caves might be very slippery now. Plus due to high tide very less ferries go. I think you should wait 1 or 2 months.

From gateway To Elephanta Caves Ferry start at @ 9 am from gateway till Afternoon 2pm every 30 min From Elephanta last ferry leaves on 6p.m

Yes you can pay for 2 men to carry you in a sedan chair. I am afraid I do not know the price. Best wishes Hope you make it.