Accordingly, can you take a boat between the Hawaiian Islands?
Ferries. There are only two inter-island passenger ferries in Hawaii. The Molokai Ferry departs twice daily from Lahaina, Maui, to the nearby island of Molokai, and takes about 90 minutes. The Maui-Lanai Expeditions Ferry departs five times a day from Lahaina, reaching Manele Bay on Lanai in 45 minutes.
Similarly, can you take a boat from Oahu to the Big Island? There is no passenger ferry service. How do you travel between Oahu and the Big Island? You must fly. There is no passenger ferry service.
Secondly, is it easy to island hop in Hawaii?
Yes, it's really quick and easy to take an inter-island flight to a neighboring Hawaiian island. As you plan your Hawaii vacation, keep in mind that you'll be spending time getting to/from the airport and possibly renting/returning a rental car.
Can you take a boat from Oahu to other islands?
Travel by Ferry
It is not currently possible to take a ferry directly from Oahu to the outer islands. Ferries run only between the islands of Maui and Lanai and between Maui and Molokai. Catch a ferry between Lahaina on Maui and Manele Bay on Lanai with the Maui-Lanai Expeditions company.