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Mumhane Cad. No:31 Kemankeş Mahallesi, Karaköy, Istanbul, 34425 (show map)
Hotel Overview
Formerly Portus House Istanbul
Before June 2019 Cheers Porthouse was known as Portus House Istanbul

Lock in a great price now and relax with our Price Guardian working for you
Hotel prices fluctuate. Book now, we will check prices each day for you and then let you know how to re-book if an even better price becomes available.Rooms List
Setup a Price Alert for Cheers Porthouse
Each day we'll check prices and send you an email for your selected dates at Cheers Porthouse. If you don't have specific dates but would like to check prices for say next weekend or say next month we can check the price too.
When the hotel goes on sale you will know straight away from the daily email and be able to book with confidence that you've got excellent value.
Facilities of Cheers Porthouse
General
Pets allowed, WiFi everywhere
Activities
Cycling, Fishing
Services
Free WiFi, Internet services, WiFi
Food & Drink
Bar, Room service
Transportation
Airport shuttle, Airport shuttle (surcharge), Car hire, Shuttle service (surcharge)
Front-desk/reception area services
24-hour front desk, Concierge service, Currency exchange, Express check-in/check-out, Luggage storage, Private check-in/check-out, Tour desk
Common areas
Shared lounge/TV area
Cleaning services
Daily maid service, Dry cleaning, Ironing service, Laundry
Business facilities
Fax/photocopying
Miscellaneous
Air conditioning, Designated smoking area, Family rooms, Heating, Non-smoking rooms, Non-smoking throughout, Soundproof rooms
Room facilities [ These may vary room to room ]
Air Conditioning, Bathroom, Cable Channels, Cleaning products, Clothes rack, Extra Long Beds (> 2 metres), Flat-screen TV, Free toiletries, Hairdryer, Hardwood/Parquet floors, Heating, Ironing Facilities, Linen, Safety Deposit Box, Seating Area, Shower, Slippers, Sofa, Toilet, Towels, TV, Upper floors accessible by stairs only, Wardrobe/Closet
Hotel Policies
Check-In
From 14:00:00 hours
Check-Out
-11:00:00 hours
Cancellation / Prepayment
Cancellation, prepayment and 'book now pay later' policies vary according to room type. Please check the room conditions when selecting your room above.
Accepted credit cards
The hotel reserves the right to pre-authorise credit cards prior to arrival.
The fine print
Please note that the hotel has no elevator service.Please inform in advance of your expected arrival time. You can use the Special Requests box when booking, or contact the property directly with the contact details provided in your confirmation.
Traveller reviews

“I am sure, everybody would love cheers porthouse otel. You get help and advice in advance, on your stay and even afterwa”
18 Jul 2025
Absolutely everything. It was perfect. From location to service to cleanliness, just everything.

“Little gem in a great location”
16 May 2025
The location was great, easy access to everywhere. We particularly liked the bar on the ground floor, cocktails were amazing. It was a bit small though and hard to find a table on some nights. The rooms were clean and the staff were very attentive and kind.

“Experience Istanbul like no other”
01 May 2025
Cheers Porthouse is a real gem right in the middle of Karaköy, one of Istanbul’s coolest and most lively neighborhoods. The hostel is set in a beautiful old building but feels super fresh and modern inside. The rooms are clean, comfy, and have everything you need after a day of exploring the city. What really makes this place special is the staff-they’re genuinely friendly and always happy to help with tips or anything you might need. There’s a relaxed vibe throughout the hostel, with a nice entrance/reception area, making it easy to meet other travelers or just chill out. The location couldn’t be better: you’re surrounded by great cafés, bars, and restaurants (the best of Turkish cuisine), and it’s a short walk to the Galataport, ferry, Galata Tower, and public transport. You are one step away from what Istanbul offers. Whether you’re traveling solo or with friends, Cheers Porthouse is the perfect spot to soak up the best of Istanbul. Highly recommended!

“Highly recommended”
24 Apr 2025
Clean and organised. Also, Ali the owner is very friendly and generous.