Opatija's Secret Superpower: Location
Most people come to Opatija for the Lungomare and seafood — and fair enough. But the town's real superpower is its location. You're sitting at a crossroads between Istria, Slovenia, Italy, and inland Croatia. Seven genuinely excellent day trips are within a two-and-a-half hour drive, and each one feels like a completely different world.
Here are the seven drives I recommend most, ranked by how much they'll blow your mind relative to the effort required.
1. Rovinj — The Istrian Postcard (80 km, ~1h 15min)
If you only do one day trip from Opatija, make it Rovinj. This pastel-coloured fishing town on the western Istrian coast is impossibly photogenic. Narrow cobblestone streets wind uphill to the Church of St. Euphemia, whose 60-metre bell tower dominates the peninsula. Below, boats bob in a harbour lined with restaurants and gelato shops.
Wander the old town in the morning, grab a seafood lunch at a harbour restaurant (try Monte for something special or Kantinon for casual waterfront dining), then walk the coastal path around the peninsula. The Golden Cape forest park (Zlatni Rt) is gorgeous for a late-afternoon walk. Drive back through Istria's wine country if you've got time.
When to go: April-June or September-October. Summer is heaving with tourists.
2. Plitvice Lakes National Park (190 km, ~2h 15min)
Yes, it's the longest drive on this list. Yes, it's worth it. Plitvice is Croatia's most famous natural wonder — sixteen terraced lakes connected by waterfalls, surrounded by dense forest. The water ranges from emerald green to azure blue depending on the minerals and sunlight. It's genuinely jaw-dropping.
Book tickets online in advance (mandatory in summer). Take the upper lakes trail for the dramatic waterfalls, or the lower lakes for the boardwalk-over-water experience. Budget a full day — you'll need 4-6 hours for the trails, plus the drive. Entry is around €30 in peak season, €20 off-peak.
When to go: Spring (waterfalls at full force) or autumn (foliage colours). Avoid July-August unless you enjoy queueing with 10,000 others.
3. Pula — Roman Amphitheatre and Street Food (90 km, ~1h 15min)
Pula has a 2,000-year-old Roman amphitheatre that seats 23,000 people. Just sitting there in the centre of a modern Croatian city, casually being one of the best-preserved Roman arenas in the world. The Arena hosts summer concerts — if your timing's right, catching a show inside a Roman colosseum is a bucket-list experience.
Beyond the Arena, explore the Temple of Augustus, walk through the old town, and eat at Batelina in the nearby Banjole neighbourhood — it's one of Croatia's best fish restaurants, serving whatever the owner caught that morning. Prices are surprisingly reasonable (€30-40 for a full lunch with wine).
When to go: Any time. The Arena is year-round. Summer evenings for concerts.
4. Ljubljana, Slovenia (110 km, ~1h 30min)
Slovenia's capital is an absolute gem — compact, walkable, absurdly pretty, and somehow still under the radar. The old town sits along the Ljubljanica river, with outdoor cafes lining both banks and a hilltop castle overlooking everything. Take the funicular up to the castle for views, walk through Tivoli Park, browse the Central Market (open mornings on weekdays), and eat at one of the riverside restaurants.
Ljubljana is also excellent for shopping — boutique Slovenian design shops, craft beer bars, and some genuinely good coffee spots. The whole centre is pedestrianised, which makes it incredibly pleasant to wander.
When to go: Spring through autumn. Fridays are best — the Open Kitchen street food market runs along the river from March to October.
5. Motovun — Hilltop Truffle Town (85 km, ~1h 15min)
Motovun is a medieval walled town perched on a steep hill in central Istria, surrounded by forests where some of Europe's finest truffles grow. The views from the town walls are staggering — rolling green hills in every direction, the Mirna river valley below, and Istria stretching to the coast.
Come for the truffles: restaurants here serve truffle everything (pasta, omelette, steak, even ice cream), and if you visit October through January, you might spot truffle hunters with their dogs on the roads below town. The Motovun Film Festival in late July transforms the town into a five-day open-air cinema.
When to go: Autumn for truffles, July for the film festival, any time for the views.
6. Venice, Italy (240 km or catamaran, ~3-4h)
Yes, Venice. On a clear day from the Lungomare, you can sometimes see the shimmer of the Venetian coast across the Adriatic. A day trip is perfectly doable — either drive to Trieste (1h) and take the train, or (in summer) catch the catamaran ferry directly from Rijeka or Poreč.
Venice doesn't need an introduction. But the day-trip version works best if you skip San Marco (too crowded for a short visit), explore Dorsoduro and Cannaregio neighbourhoods instead, eat cicchetti (Venetian tapas) at a bacaro, and catch the vaporetto back before the cruise ship crowd appears.
When to go: Off-season (November-March) is magical — misty canals, no crowds. Summer works but it's hot and packed.
7. Cres Island (Ferry from Brestova, ~30min + 60km drive)
Cres is the Adriatic's overlooked masterpiece — a wild, sparsely populated island with medieval hilltop towns, hidden beaches, and some of the cleanest water in the Mediterranean. The town of Cres itself has a stunning harbour lined with Venetian architecture and excellent restaurants. Lubenice, a stone village clinging to a 378-metre cliff above a pristine beach, is one of Croatia's most dramatic locations.
The drive across the island is beautiful — olive groves, stone walls, and almost no traffic. Bring swimwear and a sense of adventure. Cres rewards the curious.
When to go: June or September. July-August works but ferry queues can be long — arrive early for the Brestova ferry.
The Logistics
All seven trips are easiest with a car. Rentals in Opatija run €35-50/day, and Croatian highways are excellent (though tolled). For Plitvice and longer drives, leave by 8am. For Rovinj, Pula, and Motovun, a 9am departure is fine. And for Venice — just accept it's a long day, pack your patience, and enjoy the fact that you can casually day-trip to Venice from your Croatian holiday base.