Hotel Kvarner

This is where Croatian tourism literally began. Hotel Kvarner opened in 1884 — before Opatija was even a proper town — and it's been hosting guests for 140+ years. Let that sink in. The building is magnificent: a grand white facade overlooking the sea, surrounded by the historic park with its iconic Maiden with the Seagull statue nearby. The Crystal Ballroom is one of the most beautiful event spaces on the Adriatic. Rooms are a mix of heritage character and modern updates. The spa draws on Opatija's thalassotherapy tradition (sea-water treatments have been done here since the 1880s). The gardens are vast — old-growth palms, magnolias, paths that wind down to the seafront. Best for: history lovers, anyone who wants to sleep where the story started.