It’s a must to do when you are staying on the Bay of Kotor. When you are off shore you’ll see the picturesque view of Kotor town and the mountains. When you go on a boat trip it is possible to visit the beaches which only have access by boat. That way you can just skip the crowds and enjoy swimming in the clear sea. The only way to see the island churches is the boat trip. There are many companies doing boat trips departing from Kotor. Depending on the number of people you have in your group it may be cheaper to have a private boat trip, this way you can customize your tour as well.
Where can you visit on a boat trip: Our Lady of the Rocks, Perast, Blue Cave, Lustica Peninsula, Mamula Island, Porto Montenegro in Tivat