Anchorage · Turkey
Last updated: 22 August 2026

Dere Koyu

Dere Koyu is a calm anchorage in Marmara, Turkey, with sandy and mud bottom offering secure holding, near stream mouths and wooded walks.

yes

Overnight Stay

Coordinates

40.5205° N, 27.7642° E

Other Details

Attractions Ballıpınar waterfall routes / Ormanlı waterfall routes / Peninsula ancient sites

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Full Description & Details

Dere Koyu is a small anchorage on the Marmara coast of Turkey, set close to the mouths of streams and gullies that cut down through the woods to the shore. The setting is rural and wooded, with walks starting right from the waterline. It is described as a calm place to pause, suited to a quiet stop rather than a developed harbour.

The anchorage typically has a sandy and mud bottom, which generally offers secure holding for a yacht at anchor. There are no reported berths, pontoons, or moorings; this is an open anchorage where you set your own hook. Depths are not specified in the sources, so sound your way in and pick a clear patch clear of any stream mouths.

Facilities are minimal. There is no mention of fuel, water, electricity, or shore-side services at Dere Koyu itself. The attraction is the land: follow the stream line inland for a short hike, then loop back along the coastal track. For a bigger day out, pair a visit with the Ballıpınar or Ormanlı waterfall routes and the peninsula's ancient sites.

There are no reported restrictions, but the anchorage is exposed to the open Marmara and offers no all-weather shelter. The calm described is a fair-weather calm. Best used in settled summer conditions. No VHF channel, approach beacon, or formalities are mentioned in the sources, so treat this as a simple, self-sufficient stopover.

How to get there

Approach Dere Koyu from the Sea of Marmara, closing the wooded coast where the streams and gullies meet the shore. The sources give no bearing, waypoint, or channel, so navigate visually and with your own echo sounder. Watch for shallow patches near the stream mouths and any debris washed down after rain. There is no reported VHF working channel for the anchorage.

Land access is by dinghy to the shore, where walks begin immediately. The nearest town or road access is not described in the sources, and no formalities are mentioned. Plan to be self-sufficient, as no services are listed at the anchorage.

Frequently Asked Questions

What is the holding like at Dere Koyu?

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

Are there any berths or moorings at Dere Koyu?

No, Dere Koyu is an open anchorage with no reported berths, pontoons, or moorings; you anchor on your own hook.

What facilities are available at Dere Koyu?

There are no reported fuel, water, electricity, or shore-side services at Dere Koyu; the anchorage is self-sufficient.

What is there to do ashore at Dere Koyu?

Walks start right from the shore, including a short hike along the stream line and a loop back on the coastal track, with the Ballıpınar and Ormanlı waterfall routes and peninsula ancient sites nearby.

Is Dere Koyu sheltered from all weather?

No, Dere Koyu is described as a calm place to pause but offers no all-weather shelter, so it is best used in settled summer conditions.