Anchorage · Turkey
Last updated: 20 August 2026

Kacka Koyu

(Kaçka Koyu)

Kacka Koyu is an anchorage on Avsa Island in the Sea of Marmara, Turkey, known for its sandy or mud bottom and secure holding.

unknown

Overnight Stay

Coordinates

40.5244° N, 27.5360° E

Other Details

Attractions Güvercin Tepe lookout above the cove / Back-of-bay beach for swimming / Ridge views and swimming

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Full Description & Details

Kacka Koyu is a small anchorage on the northern coast of Avsa Island in the Sea of Marmara, Turkey. It sits under Guvercin Tepe, a hill that provides a natural lookout above the cove. The bay feels removed from the busier parts of the island, offering a quieter setting for a stopover. The shoreline includes a back-of-bay beach suitable for swimming, and the surrounding ridge offers wide views for those who climb up from the water.

The anchorage typically has a sandy or mud bottom, which generally provides secure holding for a yacht at anchor. Depth and berth capacity are not documented in available sources, so skippers should approach with caution and assess conditions on arrival. The cove is one of several small bays and beaches along Avsa's northern coast, with other coves close enough to visit one after another without much effort.

Facilities at Kacka Koyu are minimal. There is no documented fuel dock, chandlery, or shore services within the cove itself. The main attractions are natural: swimming from the beach, walking up to the ridge for views, and using Guvercin Tepe as a landmark. For supplies or repairs, sailors would need to look toward the island's main settlement or nearby coves, though specific services are not confirmed in the sources.

Safety notes are limited by the available information. The sandy or mud bottom offers generally secure holding, but the bay's exposure to wind and sea state is not documented. Overnight anchoring policy is unknown. The best season for the Marmara region is typically the summer months, though no specific seasonal guidance is given for this cove. Skippers should verify local conditions and any restrictions before committing to an anchorage here.

How to get there

Approach Kacka Koyu from the Sea of Marmara, heading toward the northern coast of Avsa Island. Use Guvercin Tepe, the hill above the cove, as the primary landmark to identify the anchorage from offshore. The bay is one of several small coves along this stretch of coast, so confirm your position visually against the hill and the back-of-bay beach before committing to an anchorage.

No specific bearing, waypoint, or channel is documented in the sources, and there is no recorded VHF procedure for this cove. Land access is straightforward from the beach, though no formal dock or jetty is mentioned. The nearest settlement is on Avsa Island, with the island's main village and transport links reachable by road or on foot, though specific distances are not given.

Formalities for anchoring here are not documented; as a natural bay rather than a marina, no port office or customs facility is indicated. Skippers should plan to be self-sufficient and confirm local access arrangements on arrival.

Frequently Asked Questions

What is the seabed like at Kacka Koyu for anchoring?

Kacka Koyu typically has a sandy or mud bottom, which generally offers secure holding for a yacht at anchor.

Are there facilities like fuel or a chandlery at Kacka Koyu?

No fuel dock, chandlery, or shore services are documented at Kacka Koyu; the cove is a natural anchorage with minimal facilities.

Can I swim at Kacka Koyu?

Yes, Kacka Koyu has a back-of-bay beach suitable for swimming, and the surrounding ridge offers views for those who climb up.

Is overnight anchoring allowed at Kacka Koyu?

The overnight policy at Kacka Koyu is not documented in available sources, so skippers should check local regulations before staying overnight.

What is the best time of year to visit Kacka Koyu?

No specific seasonal guidance is given for Kacka Koyu, but the summer months are typically the best time for sailing in the Sea of Marmara region.

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