We noticed that you're using an unsupported browser. The TripAdvisor website may not display properly.We support the following browsers:
Windows: Internet Explorer, Mozilla Firefox, Google Chrome. Mac: Safari.

J.J. Mahoney's

$$ - $$$,
B2 Grand Hyatt Seoul 747-7 Hannam-dong,Yongsan-gu, Seoul, South Korea
+82 2-799-8601
Map updates are paused. Zoom in to see updated info.
Reset zoom
Updating Map...
  • Excellent31%
  • Very good47%
  • Average13%
  • Poor5%
  • Terrible4%
10 Aug 2017
“Nice party”
25 May 2017
“Good beer and food, great company”
Open Now
10:00 AM - 11:00 PM Hours
Bar, Pub
$$ - $$$
B2 Grand Hyatt Seoul 747-7 Hannam-dong,Yongsan-gu, Seoul, South Korea
All Details
Write a ReviewReviews (95)
Traveller rating
Traveller type
Time of year

1 - 10 of 53 reviews

Reviewed 10 August 2017

It is worth to go to this club. There you can meet international company. Nice scene idea behind the bar. Very good live music. A band of musicians from all over the world. You have to look here You just have to prepare for a...More

Thank JacekLajkonik
Reviewed 25 May 2017 via mobile

This is a veteran owned establishment in the heart of Itaewon. I enjoyed my burger and the craft beer, but was the won impressed with the atmosphere. It's a place you go to feel and home and like family. Will definitely return.

Thank Richard L
Reviewed 19 April 2017

My group was staying at the Grand Hyatt and our guide recommended we go to JJ's in the basement because it was fun. The bartenders were very good, and the international band was excellent. I think this was supposed to be a trendy club (it...More

Thank Jedman20
Reviewed 30 March 2017

Have been a few times when staying at the Grand Hyatt. Always the same type of band, service good if you are on of the coveted locals and average if you are not known. Expect to pay at least 20-30K Wan per drink and if...More

3  Thank Wingz64
Reviewed 18 February 2017 via mobile

I went here after checking in to the Grand Hyatt the restaurant park closes it 9 p.m. As they turn this in to a popular high end bar after that. The service was good and the food was just average nothing special but not bad....More

Thank chefjeff60
Reviewed 31 October 2016

World class Live band on one side DJ in the other. One of the "in" places in Seoul for a night on the town. Strictly high end here- dress up and bring your $$$s.

Thank Kundiman
Reviewed 19 October 2016 via mobile

Situated in the basement of the Hyatt Hotel, JJ's is a bar come live music venue. Going back five years or more, this was the venue for foreign visitors to Seoul, but now faces competition from the expanding bar scene in areas like Iteawon. The...More

Thank Ste M
Reviewed 22 July 2016 via mobile

I used to visit this place quite often in the 90s .. even then it was the place to be in seoul ... this time things have changed a bit .. its not possible anymore to enter from the hyatt hotel but one has to...More

1  Thank Dirk D
Reviewed 19 June 2016 via mobile

Looked for a place where I could smoke a cigar, drink and good music. In this place you have it all. At the Hyatt hotel you have this American stile bar. Lots of rooms, different corners, live music, Transway, porch, bars all at the same...More

1  Thank Ranny Y
Reviewed 3 June 2016

Located iin Grand Hyatt basement is a good place with two different atmospheres. On right side the disco club, with a nice bar, a dancefloor and a beautiful terrace for summer time and on the left a live music spot. Nice atmosphere, trendy people and...More

Thank Santi C
Nearby HotelsSee all 553 hotels in Seoul
Grand Hyatt Seoul
2,364 reviews
.03 km away
Imperial Palace Boutique Hotel
660 reviews
.47 km away
I.T.W Hotel
49 reviews
.56 km away
Hamilton Hotel Seoul
432 reviews
.58 km away
Nearby Restaurants
Persian Queen
23 reviews
.17 km away
Locos BBQ
30 reviews
.23 km away
41 reviews
.02 km away
Nearby Attractions
Leeum Samsung Museum of Art
620 reviews
.21 km away
Seoul Central Mosque
93 reviews
.66 km away
473 reviews
.61 km away
D Museum
22 reviews
1.27 km away
Ask a question
Questions & Answers
mia d
8 August 2017|
Response from Steve J |
There are very few tables. Not sure about reservations. But you WILL get in if you're staying at the Hyatt. Everyone else has to enter through an exterior. You can go down a stairway from the lobby. Just ask the concierge.
Improve this listing

Restaurant Details

Rating summary
  • Food
  • Value
Bar, Pub
Lunch, Drinks
Restaurant features
Seating, Waitstaff, Serves Alcohol, Reservations
Good for
Bar Scene, Groups
Open Hours
10:00 AM - 11:00 PM
10:00 AM - 11:00 PM
10:00 AM - 11:00 PM
10:00 AM - 11:00 PM
10:00 AM - 11:00 PM
10:00 AM - 11:00 PM
10:00 AM - 11:00 PM
Location and Contact Information
  • Address: B2 Grand Hyatt Seoul 747-7 Hannam-dong,Yongsan-gu, Seoul, South Korea
  • Location: Asia  >  South Korea  >  Seoul
  • Phone Number: +82 2-799-8601
Is This Your TripAdvisor Listing?
Own or manage this property? Claim your listing for free to respond to reviews, update your profile and much more. Claim Your Listing