12 Tours in Opatija to Build a Day Around

1.Krk Island: Ziplining Tour

★★★★★★★★★★4.8 · 522 reviews · 2 hours · from $88Our pick

You’ll meet near the Glagolitic Alley monument, gear up, and ride by jeep to the course. Guides including Silvio and Antonio provide safety training before you try a baby zipline, then you’ll complete up to eight lines, including a 700-meter run, with views across Krk Island. Small groups are limited to 10 people.

“Great activity, really friendly and fun stuff. Beautiful views on the zip line, great emotions! Really well spent money, totally worth it!”

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2.Opatija/Lovran: Boat Trip to Secluded Beaches on Island Cres

★★★★★★★★★★4.9 · 114 reviews · 7 hours - 450 minutes · from $104

Marlin Boat Tours takes you from Opatija or Lovran to Brseč Beach and quiet coves along northern Cres. Expect four swim stops, snorkeling, soft drinks, wine, sandwiches, and fruit, with Croatian, English, or German-speaking crew. Bring lunch, since the wild beaches have no cafés or shops.

“Ballade agréable...que pour de la baignade et plongee. Un tres gros bémol : panne des horodateurs le matin ...amende au retour alors que le capitaine du bateau nous assurait qu il n y avait aucun problème au retour le soir..”

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3.Cliffs and caves kayak adventure

★★★★★★★★★★4.9 · 78 reviews · 3h 30m · from $82

Meet guides Andy, Micky, Ilona, or Dora at Slatina Beach for a 210-minute coastal kayak trip. Paddle to Grotta del Diavolo, walk into one cave, swim beneath the sea into another, and stop at a beach for swimming and snorkeling. No kayak experience is needed, but you must be able to swim.

“This was a super fun activity and the guides were very nice and accommodating”

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4.Sunset or Swim Ride Opatija on Madonnina Boat Tour

★★★★★★★★★★4.8 · 72 reviews · 75 - 100 minutes · from $40Best value

Join Vladimir on Madonnina, a lovingly restored Croatian wooden boat limited to seven people. Sip local Malvazija, hear stories of Opatija and Volosko in English, German, or Croatian, stop for a 30-minute swim on the swimming option, and take home a Polaroid photo per couple.

“Brilliant tour! Vladamir made everyone feel at ease and is a charismatic and humorous storyteller - coped with ease at our mixed group involving Germans, an Austrian, a Swiss and an English! Thank you for you insights Vladamir :)”

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5.Lovran/Opatija: Swimming on Cres Island with Lunch

★★★★★★★★★★4.9 · 18 reviews · 8 hours · from $135

Set out with Marlin Boat Tours from Opatija or Lovran for an eight-hour Cres Island trip. Captain Tomy may guide you through clear bays, cliff views, Smrdeća Beach, Badnjev Beach, and the swim-access Little Blue Cave. A grilled fish, meat, or vegetarian lunch, drinks, fruit, and a small group of up to 15 are included.

“A program változatos, pontos indulás, érkezés, ebéd, program vezetés kiváló.”

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6.DISCOVERING THE UNKNOWN Extended WW2&UNDERGROUND tour

★★★★★★★★★★4.7 · 15 reviews · 3 hours · from $76

Spend three hours exploring Rijeka’s 20th-century fortifications with a professional English-speaking guide. Ride by van to Banska Vrata and Pašac Bridge, walk through the 1,000-meter Katarina B bunker, and visit San Giovanni for sound effects, a restoration film, and wine. Small groups are limited to eight people.

“sehr spannende Tour mit vielen interessanten Informationen. Hat allen sehr gut gefallen (Kids sind 12, 9 und 7)”

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7.Explore kayak adventure

★★★★★★★★★★4.7 · 15 reviews · 5 hours · from $64

Paddle from Slatina Beach to Volosko with an English- or Croatian-speaking guide. You’ll receive a kayak, safety vest, snorkeling gear, waterproof bag, phone case, and photos. Expect a relaxed 2.5 to 3-hour outing with swimming stops, seaside views, and stories about Opatija.

“Très sympathique balade en mer accompagné d’une guide très sympathique (dont j’ai oublié le nom, pardon 😉). Une chouette après midi, relaxante. Au top. Merci 🙏”

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8.TUNNEL ABSEILING PLUS tour the underground

★★★★★★★★★★4.8 · 12 reviews · 2h 30m · from $88

Enter San Giovanni fortress for a 150-minute guided underground adventure with beginner-friendly abseiling, a harder cascading-rock descent on the Abseil Plus option, audio-visual effects, and wine at the end. English-speaking guides provide certified equipment and patient instruction. Small groups are limited to eight people.

“We had an exciting experience and at the same time felt save with the patient and friendly guides.”

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9.Guided SUP Paddleboarding Adventure at Night

★★★★★★★★★★5.0 · 11 reviews · 2h 30m · from $75Top rated

Meet your guide at Slatina Beach for a relaxed 150-minute SUP lesson and night paddle. You’ll practice in shallow water, then explore a nearby bay on boards with underwater lights while hearing about Opatija’s churches, hotels, beaches, and parks. No SUP experience is needed, but you must know how to swim.

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10.Istria Highlights Tour from Rijeka or Pula

★★★★★★★★★★4.0 · 6 reviews · 7 hours · from $134

Travel from Rijeka or Pula into central Istria for a guided day among Hum, Motovun, and Labin. Expect medieval lanes, hilltop views, local food and wine tastings, and stories about truffles, Biska brandy, art, and Istrian history. Guides including Dean, Dejan, and Greg have led past departures.

“Dejan was great! Wonderful sightseeing and local color and commentary.”

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11.Opatija, Rijeka & Kastav Mediterranean Day Tour

★★★★★★★★★★5.0 · 3 reviews

Travel privately from Zagreb to Croatia’s Kvarner coast with an English-speaking guide. Visit Trsat Castle and the Sanctuary of Our Lady of Trsat in Rijeka, stroll medieval Kastav, then follow Opatija’s Lungomare to Villa Angiolina. Guides including Stjepan Klarić and Bo bring local insight, while food and drinks remain your responsibility.

“Unforgettable Experience – Thank You, Stjepan! ⭐️⭐️⭐️⭐️⭐️ This day trip from Zagreb to Opatija, Rijeka, and Kastav was absolutely amazing! Our tour guide, Stjepan Klarić, made the experience unforgettable. He was incredibly welcoming, attentive, and kind. Throughout the entire tour, he made sure my brother and I felt safe, comfortable, and included, going above and beyond in every way. We’ve done many tours with other companies before, but this one was truly the best. The destinations were stunning, and the personal touch from Stjepan made it that much more special. We will absolutely be coming back and recommending this tour to everyone we know! 5 starRead more”

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12.Opatija Be Charmed Half Day Tour with a Local

★★★★★★★★★★5.0 · 3 reviews · 2 hours

Walk Opatija with local guide Ivana on a private two-hour tour for up to seven people. See Angiolina Park, Villa Angiolina, Hotel Kvarner, St. James Church, Lungomare, Lady with the Seagull, and the city market. Add coffee or chocolate tasting at your own cost.

“Ivana was a wonderful guide, and this walking tour was just right for our family. Her passion and knowledge really came through, and the pace worked beautifully for our group. She clearly enjoys what she does and where she lives, and has a gift for making history and place come alive. We learned a lot and truly enjoyed the experience.”

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