Tickets to the Basilica Cistern
Descend into the largest ancient cistern beneath Istanbul to see the haunting Medusa heads.
Buy TicketsStep down into the cool, dimly lit expanse of the Yerebatan Sarnıcı, or "Sunken Palace." Built by Emperor Justinian I in the 6th century, this vast underground water reservoir was designed to serve the Great Palace of Constantinople. Today, it mesmerizes visitors with its forest of 336 columns rising from the still water, contemporary art installations, and the enigmatic Medusa head bases tucked away in a corner. For a smooth visit, check our guides on opening hours and the best time to visit.
Available Tickets






Ticket prices breakdown
- Daytime Foreign Visitor (09:00 - 18:30): 2,145 TL
- Night Shift Foreign Visitor (19:30 - 22:00): 3,000 TL
- Audio Guide: 300 TL
- Disabled Visitors & One Companion: Free entry.
Please note that prices are in Turkish Lira (TL) and may be subject to change. Booking online is recommended to avoid long queues. The Istanbul Museum Pass is not valid here.
Why book your tickets here
The best way to experience the Sunken Palace
Skip the Long Queues
The Basilica Cistern is one of Istanbul's top attractions. Book your ticket online to bypass the long lines at the entrance and save valuable time.
Audio Guide Included
Enhance your visit with an informative audio guide. Learn about the history, construction, and legends of the cistern as you explore at your own pace.
Flexible Booking
Our tickets offer flexibility. Choose your preferred time slot and enjoy a hassle-free entry process.
Instant Confirmation
Receive your e-tickets instantly on your mobile device. Simply show the QR code at the entrance for quick and easy access.
The Mystery of the Medusa Heads
In the far northwest corner of the cistern, two colossal marble blocks carved with the head of Medusa serve as bases for two columns. The origin of these heads is unknown, though it's believed they were repurposed from a late Roman-era building. Their placement adds to the cistern's mystique: one is positioned sideways, and the other is upside down.
Historians and mythologists offer various theories. Some suggest the unconventional placement was purely practical, to make them fit as column supports. Others believe it was to negate the power of the Gorgon's petrifying gaze, a common practice in Byzantine times to repurpose pagan relics while neutralizing their perceived power. Whatever the reason, these haunting sculptures remain the most iconic and photographed feature of the Basilica Cistern.
Booking Your Visit
A simple 3-step process to secure your entry
Select Your Ticket
Choose between a daytime visit or the atmospheric Night Shift experience. Add an audio guide to uncover the cistern's secrets.
Receive Instant Confirmation
Complete your booking and receive your e-ticket via email within minutes. No need to print anything.
Scan and Enter
On the day of your visit, head to the entrance, show the QR code on your phone, and step into the enchanting world beneath Istanbul.
Frequently Asked Questions
Your questions about visiting the Basilica Cistern, answered.
