At first glance, Boka Bay stands apart from the rest of the Adriatic coastline. Unlike the more open and typical seaside landscapes, the bay stretches deep inland, surrounded by steep mountains that rise directly from the water.

Because of this shape, it is often compared to a fjord, although it is technically a submerged river canyon. This rare combination of mountains and sea creates a setting that feels both dramatic and peacuful, with constantly changing perspectives as you move through the bay.As you travel by boat, the contrast becomes even more noticeable.

One moment you are surrounded by calm, enclosed waters with historic towns like Perast and Kotor, and the next, the landscape begins to open toward the wider Adriatic Sea.This transition between enclosed bay and open horizon is part of what makes the experience so distinctive. The light, the air, and even the movement of the water shift along the way, creating a journey that feels varied and dynamic rather than static.

It is this balance—between mountains and sea, history and nature, calmness and openness—that gives Boka Bay its unique character and makes it one of the most remarkable coastal landscapes in the region.

Besides the famous Old Town of Kotor, Perast, and Our Lady of the Rocks, there are also some hidden places in Boka Bay that many visitors don’t expect to see. One of the most interesting places is an old submarine tunnel, built during the time of Yugoslavia, when Boka Bay was an important military naval base.

The tunnel was built inside the mountain to hide submarines and military boats, making them invisible from the open sea. Today, it is no longer used by the military, but visitors can enter the tunnel by boat and experience this unusual place from the inside.

When you enter the tunnel, the temperature drops, the light changes, and everything becomes very quiet. It feels completely different from the sunny towns, islands, and open sea around the bay, and it is always an interesting and unexpected part of the tour.

On our boat tours to the Blue Cave, we also visit this submarine tunnel, giving our guests the chance to see not only the natural beauty of Boka Bay, but also a part of its interesting military history.

If you are visiting Kotor and want to see something different and unusual, visiting the submarine tunnel by boat is an experience you probably would not expect in this part of Montenegro.

On the way to the Blue Cave, just as you reach the entrance of Boka Bay, there’s a small circular island that always catches people’s attention — Mamula Island.

From the boat, you’ll spot an old stone fortress sitting right in the middle of it. It dates back to the 19th century, when this part of the coast was under Austro-Hungarian rule. It looks almost like something out of a movie — quiet, a little mysterious, and surrounded by deep blue water.

But Mamula isn’t just beautiful scenery. During World War II, the fortress was used as a prison, which gives the island a much heavier, more complex history. Today, it stands as one of the most intriguing landmarks at the entrance of the bay.

What makes this part of the tour really special is the sudden change in landscape. As you leave behind the calm, sheltered waters near Kotor and Perast, everything opens up. The sea gets deeper, the cliffs become more dramatic, and you can feel the shift as Boka Bay meets the Adriatic.

Passing by the island is one of those moments where everyone on the boat slows down, looks around, and reaches for their camera. Between the fortress, the rugged coastline, and the open sea stretching ahead, it’s easily one of the most photogenic spots on the Blue cave tour.

Many people visit Kotor for the old town, the history, and the beautiful streets, but seeing Kotor Bay from the sea is a completely different experience. From the boat, you can really see the size of the mountains, the small villages along the coast, and the peaceful atmosphere that makes this area so special. There is a reason why the Bay of Kotor is protected as a UNESCO World Heritage site, and being on the water gives you a whole new perspective of this unique place.

On our boat tours, we take our guests across Kotor Bay to places like Perast and Our Lady of the Rocks, where history, nature, and the sea all come together. It’s not just about the destination, but about the experience of being on the water, relaxing, taking photos, swimming, and enjoying the bay in a different way.

If you are visiting Kotor and want to see the bay from a new perspective, a boat tour around Kotor Bay, Perast, and Our Lady of the Rocks is something you should not miss.

Private and group boat tours from Kotor are available every day, and we would be happy to show you the bay from the sea.