MareSpot
MareSpt marespot.com · Guide to Karlovac 4 Rivers
🏛️ OFFICIAL REGISTER OF SWIMMING SITES IN CROATIA IZOR · DHMZ · EU DIRECTIVE

Karlovac County (Korana, Mrežnica, Kupa & Dobra Rivers) Beaches

The realm of four emerald rivers — Foginovo on the Korana river in Karlovac is Croatia’s oldest and most awarded freshwater river beach. Explore all 8 official swimming spots in Karlovac County (Korana, Mrežnica, Kupa & Dobra Rivers), spread across 8 coastal municipalities.

8 Official Swimming Spots
8 Coastal Municipalities
50.0% Sea Quality "Excellent" (IZOR)
Calm Foginovo river beach on Korana, emerald cascades of Mrežnica & Ozalj on Kupa
🌬️

Wind Patterns & Natural Shelter (Karlovac 4 Rivers)

Clean river waters, natural travertin waterfalls, diving boards, and gentle summer currents.

💡 Tip: Open the interactive map guide to calculate which coves are sheltered from Bora, Sirocco, or Maestral today.
📍 INTERACTIVE BAY MAP · 8 BEACHES

Map of All Beaches & Coves: Karlovac 4 Rivers

Karlovac 4 Rivers (8)

Interactive map (8 beaches) loads as you scroll…

🏨 Check available accommodation (Booking.com) → ⛵ Explore tours & activities (GetYourGuide) → 🚗 Compare car rental deals (DiscoverCars) →

Quick jump to town or municipality in Karlovac 4 Rivers

🎯 Filter by type & shelter:
🏖️

Mrežnički Brig - Duga Resa

1 beaches
🏖️

Sabljak Selo - Ogulin

1 beaches
🏨 Accommodation · Karlovac 4 Rivers

Find accommodation in Karlovac 4 Rivers

Search available hotels, apartments, luxury villas, and holiday rooms along the coast in Karlovac 4 Rivers.

🏨 Check available stays in Karlovac 4 Rivers (Booking.com) → ✦ Wide selection of stays near beaches & coves
⛵ Tours & Experiences · Karlovac 4 Rivers

Boat trips & experiences in Karlovac 4 Rivers

Book top sea excursions, national park day trips, skippered boat charters, scuba diving, and wine tours in Karlovac 4 Rivers.

⛵ Explore tours & experiences in region (GetYourGuide) → ✦ Free cancellation up to 24h before departure
🚗 Car Rental & Mobility · Karlovac 4 Rivers

Find Car Rental in Karlovac 4 Rivers

Explore remote beaches, scenic coastal roads, and hidden coves across Karlovac 4 Rivers. Compare rental car deals at airports and hubs like Duga Resa.

🚗 Compare car rental deals (DiscoverCars) → ✦ Transparent rates & verified rentals (DiscoverCars)

Frequently Asked Questions (Karlovac 4 Rivers)

Key facts about sea water quality, bays, and wind conditions in Karlovac 4 Rivers.

How many official beaches are in Karlovac 4 Rivers and what is the water quality? ▾

Across Karlovac County (Korana, Mrežnica, Kupa & Dobra Rivers), there are 8 officially monitored swimming spots spread across 8 towns and municipalities. According to IZOR laboratory tests, 4 beaches (50.0%) hold the highest "Excellent" bathing water grade.

Which towns in Karlovac 4 Rivers have the most monitored beaches and coves? ▾

The destinations with the highest number of officially monitored beaches and bays in Karlovac 4 Rivers include: Duga Resa, Grdun - Ozalj, Jurovo - Žakanje, Karlovac, Mrežnički Brig - Duga Resa, Ozalj.

Where can I find wind-sheltered coves in Karlovac 4 Rivers during Bora or Sirocco? ▾

Clean river waters, natural travertin waterfalls, diving boards, and gentle summer currents. You can use our interactive map and bay compass to check the exact open-sea bearing for all 8 beaches in Karlovac 4 Rivers.

Explore Other Adriatic Regions & Nautical Guides

Compare sea water quality, bay distribution, marinas, and natural shelter along the Croatian coast.

✦ SMART GUIDE FOR SWIMMING & BOATING

Looking for a sheltered cove in Karlovac 4 Rivers?

Try our interactive wind simulator calculating which of the 8 coves is currently in mirror-calm bonaca in real time.