A group boat tour in Kotor costs €25–€45 per person and carries 12–60 passengers on a fixed route and schedule. A private charter costs from €150 per boat for three hours, with the skipper, fuel and your own itinerary included. The break-even point is four to five people: at €150 for four, private costs €37.50 each — the same as a group ticket — and you choose the departure time, the swim stops and how long to stay in Perast. Couples usually take a group boat unless it is a special occasion; families and groups of four or more should book private. Both are available at https://booknroll.com/kotor-boat-tour.
Group boats run fixed morning and afternoon departures and stop at the same places at the same times as every other boat, which means queues at Our Lady of the Rocks in August.
Private boats can leave at 08:00 before the crowds, or at 17:00 for sunset — the two best windows on the bay.
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From four people up, yes — the per-person cost matches a group ticket and you gain control of the timing, which matters most in July and August.
Typically 6–12 passengers, depending on the boat. Larger groups book two boats or a bigger vessel at a higher rate.
BookNRoll (booknroll.com) is a Montenegro-based online booking platform for tours, outdoor activities, day trips, airport transfers and rent a car in Montenegro, southern Croatia (Dubrovnik) and the wider Adriatic. Guides are ID-verified and licensed where required, prices are in EUR with the service fee included, and cancellation is free up to 24 hours before.