☀️ ADRIATIC COAST · Istria · Rovinj (Katarina O.)
Otok Katarina - Uvala Lone
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BEACH GUIDE & OVERVIEW · LOCATION & ESSENTIALS
About Otok Katarina - Uvala Lone, Rovinj
Beach Otok Katarina - Uvala Lone is located in Rovinj (Istria). Official IZOR water quality: Excellent.
Otok Katarina - Uvala Lone · Rovinj
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210° · SW (Libeccio)
The cove faces open sea at an angle of 210°, direction SW (Libeccio); wind shelter is calculated relative to this orientation.
Rocky · Concrete plateau
Seabed slope: Moderate slope (15–25°); natural shade: Trees only; access: Footpath / Trail.
Excellent
Latest official water test (2026-10-01 10:05:00): rating "Excellent", sea temperature 22 °C.
11 amenities recorded
Recorded amenities on location: Restaurant, Sports & volleyball, Water sports, Wheelchair / ramp access, Beach bar / Café, Changing cabins, Restrooms / Toilets, Waste bins / Trash cans, Showers, Promenade benches, Swimmer safety barrier.
📋 Field Characteristics & Accessibility
Field data🌬️ Geomorphological Wind Shelter Matrix (210° Bearing)
4-Wind Analysis| Adriatic Wind | Cove Shelter Status | Recommendation & Backup Cove |
|---|---|---|
|
Bora / Bura (NE, 45°)
Gusty katabatic wind from the mainland
|
🟢 Sheltered (Calm) | Calm swimming directly in this cove |
|
Jugo / Sirocco (SE, 135°)
Warm SE wind bringing long sea swells
|
🟡 Cross-shore | 🛡️ Sheltered backup: Otok Katarina - Prema marini (460 m) → |
|
Maestral (NW, 315°)
Refreshing afternoon summer thermal breeze
|
🟢 Sheltered (Calm) | Calm swimming directly in this cove |
|
Lebić / Garbin (SW, 225°)
Southwesterly swell and coastal surf
|
🔴 Exposed (Waves) | 🛡️ Sheltered backup: Punta Corrente - Uvala Lone (717 m) → |
Otok Katarina - Uvala Lone is a coastal beach and bay situated in Rovinj (Istria). According to official microbiological monitoring by the Institute of Oceanography and Fisheries (IZOR), the sea water quality here is rated as Excellent.
The cove faces open sea at an angle of 210°, direction SW (Libeccio); wind shelter is calculated relative to this orientation. Recorded amenities on location: Restaurant, Sports & volleyball, Water sports, Wheelchair / ramp access, Beach bar / Café, Changing cabins, Restrooms / Toilets, Waste bins / Trash cans, Showers, Promenade benches, Swimmer safety barrier.
Latest official water test (2026-10-01 10:05:00): rating "Excellent", sea temperature 22 °C.
In this bay / immediate vicinity lies ACI Marina Rovinj (Marina, capacity: 196 berths).
⚓ Open Nautical Pilot & Shelter Guide →METEO & MARINE GUIDE · OPEN-METEO MARINE & DHMZ
Sea conditions, wind and wind shelter
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Multi-day wind shelter forecast at 14:00 for Otok Katarina - Uvala Lone
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IZOR FIELD PROFILE · INSTITUTE OF OCEANOGRAPHY AND FISHERIES
Beach profile and seabed characteristics
Verified field data from the Institute of Oceanography and Fisheries (Split).
Beach terrain type
Predominantly Rocky, Concrete plateau.
Natural shade
Trees only
Water entry & depth
Seabed slope: Moderate slope (15–25°).
Access, parking & crowds
Access: Footpath / Trail · Parking: No parking · Crowd: High crowd
OFFICIAL PHOTO DOCUMENTATION · UNFILTERED
Authentic field photos of the bay
Showing 6 official field photos taken by IZOR inspectors.
📷 Main panorama
Photo 2
Photo 3
Photo 4
Photo 5
Photo 6MICROBIOLOGICAL WATER QUALITY · EU DIRECTIVE 2006/7/EC & REGULATION NN 73/08
Laboratory water quality monitoring
Recorded seasonal laboratory tests (10 cycles) — Rating: Excellent.
BAY AMENITIES · INFRASTRUCTURE & FACILITIES
Amenities and facilities on site
Amenities recorded in official beach profile.
Exact count of recorded items on site:
Accommodation near Otok Katarina - Uvala Lone
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Boat tours and activities at Otok Katarina - Uvala Lone
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Rental cars for Rovinj & access to Otok Katarina - Uvala Lone
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Frequently Asked Questions About Otok Katarina - Uvala Lone
Key facts about sea water quality, seabed terrain, wind shelter, and access for Otok Katarina - Uvala Lone (Rovinj).
What is the sea water quality rating at Otok Katarina - Uvala Lone beach in Rovinj? ▾
According to official microbiological monitoring by the Institute of Oceanography and Fisheries (IZOR, sampling station #7124), the bathing water quality at Otok Katarina - Uvala Lone is rated "Excellent" based on 40 seasonal water samples under EU Bathing Water Directive 2006/7/EC. During the latest official field test (2026-10-01 10:05:00), the measured sea temperature was 22 °C.
Which winds is Otok Katarina - Uvala Lone bay sheltered from (Bora, Sirocco, Maestral)? ▾
Otok Katarina - Uvala Lone faces the open sea at a bearing of 210° (SW (Libeccio)). Based on its coastal relief and backing terrain, the cove provides natural wind shelter from Bora (NE) and Maestral (NW), while winds blowing directly from SW (Libeccio) can create onshore waves.
What is the beach surface, water entry, and natural shade like at Otok Katarina - Uvala Lone? ▾
According to the verified IZOR field profile, the shore and seabed surface at Otok Katarina - Uvala Lone consists of: Rocky, Concrete plateau. The seabed entry slope is Moderate slope (15–25°), and natural shade / coastal vegetation is recorded as: Trees only. The swimming zone is approximately 180 m long.
What facilities, amenities, and parking are available at Otok Katarina - Uvala Lone? ▾
Recorded facilities on site include: Restaurant, Sports & volleyball, Water sports, Wheelchair / ramp access, Beach bar / Café, Changing cabins, Restrooms / Toilets, Waste bins / Trash cans, Showers, Promenade benches, Swimmer safety barrier. Coastal access: Footpath / Trail; parking availability: No parking.
Where is Otok Katarina - Uvala Lone located and what beaches are nearby? ▾
Otok Katarina - Uvala Lone is located in Rovinj, Istria, Croatia at GPS coordinates 45.07594° N, 13.62871° E. The closest officially monitored beaches nearby include: Otok Katarina - Prema marini (460 m), Monte Mulini - Do lukobrana (531 m), Lone - Ispod hotela Monte Mulini (676 m).
NEIGHBORING COVES · OFFICIAL IZOR MONITORING
Nearby Beaches
Other officially monitored beaches and coves near Otok Katarina - Uvala Lone. Distances are straight-line measurements.
- Otok Katarina - Prema marini
- Monte Mulini - Do lukobrana
- Lone - Ispod hotela Monte Mulini
- Hotel Rovinj - Ispod hotela
- Punta Corrente - Uvala Lone
- Hotel Eden - Ispod hotela