Top Istria Underground Tours

Escape the crowds and see a side of Croatia that many first-time visitors don’t know about on a tour of Cape Kamenjak Nature Park from Medulin. Admire the coastline from a fresh perspective as you cruise through the Medulin archipelago before stopping to swim, snorkel, and visit hidden sea caves that are inaccessible by land.

Embark on a journey to Postojna Cave and Predjama Castle, conveniently departing from Rijeka. Immerse yourself in the depths Postojna Cave and uncover the secrets of Predjama Castle. With your driver/guide by your side, you can rest assured you're in safe hands as you explore both of these landmarks. Plus, enjoy the convenience of hotel or port pickup and drop-off.

Join us for an unforgettable night kayak tour along the stunning Adriatic coastline. Begin with a peaceful paddle past the famous Blue Cave, one of the most breathtaking natural wonders in the region, where the moonlight turns the water into a glowing spectacle. As you paddle, each kayak is equipped with a light, creating a beautiful effect on the water beneath you. Continue, passing through the mysterious Devil’s Cave, a place shrouded in local legends and stories that will captivate you as you glide through its tranquil waters. As you paddle further, reach the Cannons, former military strongholds from wartime. Here, your guide will share fascinating stories about the military presence and strategies that shaped this area, revealing secrets hidden within these ancient fortifications. The tour concludes with a visit to the emotional Valley of Tears, a place rich in history and significance. Immerse yourself in the poignant stories that have shaped this unique and powerful location.

Make the most of half a day at sea to discover the coastal highlights of Kamenjak National Park. On a cruise from Medulin, you'll explore the shoreline around the archipelago, stopping along the way to swim in sea caves and bask on secluded island beaches. An onboard lunch with drinks included is served while you're out on the water.

Combine adventure, relaxation, and cultural exploration in a single day on a boat tour around the Medulin archipelago from Pula. Cruise to the Blue Cave, where you can enter a unique cavern filled with striking crystal-blue water, then continue past the Hrid Zaglav lighthouse and enjoy lunch onboard. Afterward, cruise to Cres Island, where you have time to explore the charming town at your own pace.

Avoid the tourist crowds with a private walking tour of Pula’s historic center. Stroll the streets for an intimate perspective of landmarks including the Roman amphitheater, city gates, harbor, and Venetian fortress, with illuminating insights provided by your local guide. Benefit from the flexibility of a private tour, exploring at a pace that suits you, and arrange a convenient departure time according to your schedule.

See the grand and ancient architecture and vibrant city life of Pula on this walking tour. Enjoy learning about the history and culture of Pula, from its Roman inhabitants to the present day, and see the Roman arena, the best preserved of its type in the world. Take a trip around the old town and the harbor, and see the cathedral, the Venetian fortress and the Gate of Hercules as you explore Pula with your expert guide.

Visit Pula’s most historic buildings and famous architecture on a pre-dinner tour. This walking tour takes in Pula Arena, the only Roman amphitheater in the world to have four preserved side towers, as well as the Old Town. Your local tour guide will also tell you where the best places to eat and drink are, and where to find day trips outside of the city too.

A great pick for travelers with limited time—this tour allows you to tick off Postojna Cave and Predjama Castle in a day, without having to wait around for buses. Instead, get picked up from your preferred location in Rijeka—such as the cruise terminal, the train station, or your hotel. Then, ride with ease between sites, with admission included for extra convenience.

This tour stands out by combining a traditional 120-year-old pirate-style boat with a full coastal adventure of swimming, nature, and exploration. Unlike standard cruises, it includes a guided visit to Cape Kamenjak, where hidden cliffs, trails, and panoramic viewpoints reveal the untouched beauty of the area. A key highlight is the Blue Cave experience, where swimming inside the cave offers a rare natural phenomenon with glowing blue light. You will also enjoy a stop in the crystal-clear waters of Polje Bay, perfect for swimming and relaxing away from the crowds. The journey is led by an experienced local captain who actively enhances the experience with knowledge of the sea and region. Sailing past the iconic Porer Lighthouse adds a scenic and historic touch, especially during the coastal cruise. A freshly prepared lunch with drinks All-Inclusive completes the experience, while small group sizes ensure a relaxed, personal, and authentic atmosphere throughout the tour.

The sea cliffs, islands, and rocky coves of Cape Kamenjak lie just south of Banjole. On this small-group tour, explore the natural wonders by bike, venture off-road to discover little-known viewpoints and hidden caves, and enjoy magnificent views from the southernmost point of the Istrian Peninsula. Along the way, stop to swim, enjoy a drink at the Safari Bar, and perhaps even try cliff jumping from the Kolumbarice cliffs.

Croatia has a long and rich history tied to both land and sea. Most visitors spend all their time enjoying the beaches, but they're missing out. Explore the Istrian Hills during this half-day walking/driving tour and discover the bohemian Croatia from folklore and legend. Sample authentic delicacies and take in spectacular sites of ancient cities perched atop even older hills.

Escape the bustling city and discover Brijuni National Park’s island sights on board a traditional boat. Relax on deck with a fresh Mediterranean lunch and unlimited drinks included, and listen as your guide shares insights into the park’s history. Look out for native wildlife as you sail the Adriatic, before disembarking with free time to explore the St. Jerolim Island (entrance not included), with opportunities to swim, sight-see, and sunbathe.