
Blue Cave (Mavi Mağara)
A sea cave where the water glows electric blue from an underwater light opening — reached only by boat from Ölüdeniz.
This is not your average cave. The Blue Cave sits on the northwestern edge of Ölüdeniz lagoon, a small opening in the limestone cliffs that turns the seawater a surreal, luminous blue when the sun hits it just right. Light comes from below — an underwater passage lets in daylight — so the whole cavern feels lit from within. Most boat trips from Ölüdeniz or Fethiye make a 20-minute stop here; you can jump off the boat and swim inside, or just drift on deck and watch the colour shift with the ripples. The cave itself is modest in size, but the water clarity and the intense blue make it feel otherworldly. Go early before the afternoon boats pile up, and on a calm day so the water stays glassy inside.
“To see the water turn an impossible neon blue that no photo quite captures.”
Book a morning boat trip and sit on the left side of the boat — the cave entrance is on that side and you’ll get the first look before the crowd jumps in.
Only accessible by boat; cave interior has uneven rocks and requires swimming or stepping off the boat — not suitable for wheelchairs or limited mobility.
Good to know
- Is Blue Cave (Mavi Mağara) free to visit?
- Free. Reached only by boat from Ölüdeniz or Fethiye harbour; tour price varies.
- How long should you spend at Blue Cave (Mavi Mağara)?
- ~30 min
- When is the best time to visit Blue Cave (Mavi Mağara)?
- Morning
- Is Blue Cave (Mavi Mağara) wheelchair accessible?
- Only accessible by boat; cave interior has uneven rocks and requires swimming or stepping off the boat — not suitable for wheelchairs or limited mobility.