

Best for intermediate divers, 10-40m, boat entry, moderate current.
Big Reef, also known as Dalyan Reef, is a large wedge-shaped reef located 500 metres from the shore near Gemiler Island. The site features a reef top at 10 to 12 metres, with a wall dropping to 40 metres at the south-east corner. Divers typically experience moderate currents, making this an intermediate-level drift dive. The topography includes rocky stacks and varying depths, with an average dive depth of 16 metres. Access is by boat only. Visibility ranges from 10 to 25 metres, and the site is suitable for night diving. Divers should remain aware of boat traffic and the potential for reduced visibility.
36.60185, 29.02047
The site is offshore from the normal coastline and is only diveable when sea conditions are favourable.
Access is by boat.
Recorded nearby, within 20km
Depth
10-40m
Visibility
10-25m
Skill Level
Intermediate
Entry
Boat
Boat required
Water Temp
17-22°C
Current
Moderate
Typical Dive
35 min
The reef top sits at 10 to 12 metres, with the wall dropping down to 40 metres. The average depth for a dive is 16 metres.
No, this site is rated for intermediate divers due to the presence of moderate currents and depths reaching 40 metres.
Big Reef is located 500 metres from the shore and requires boat access.
The site is primarily a dive location with a reef top at 10 to 12 metres, which is generally too deep for casual snorkelling.
Divers should be cautious of boat traffic, the deep nature of the site, and the possibility of low visibility.
Diving at Big Reef/Dalyan Reef in Fethiye requires the following certifications: Open Water, Advanced. Always dive within your training limits.
A 7mm wetsuit or semi-dry is recommended for diving at Big Reef/Dalyan Reef in Fethiye. Water temperatures range from 17°C to 22°C.
Expect moderate currents at Big Reef/Dalyan Reef in Fethiye. Good buoyancy control and some drift diving experience is helpful.
Visibility at Big Reef/Dalyan Reef in Fethiye typically ranges from 10 metres to 25 metres. Conditions vary with weather, tides, and seasons.