51st & Green is a business-class airport lounge at Dublin Airport. It's located airside after US Pre-clearance for passengers travelling to the USA only. It's open to business class passengers, people who have pre-booked and walk-up passengers. Read this full guide to know what to expect, and whether it's worth paying for the experience.
Business Class Passengers
Pre-book entry from €41
Pay at desk entry from €44
I visited on my last trip to Los Angeles with Aer Lingus, and my business class ticket got me free access to the lounge.
How did 51st & Green Lounge get its name?
This lounge is available only to passengers travelling to the United States after US Customs & Immigration pre-clearance. The name is a play on how Americans refer to the cross-street system used in the US (and this sounds like a New York cross-street). Someone might say to a taxi driver, “take me to 51st and Park Avenue”. So 51st & Green is a destination.
Explanation for “51st” and “Green”
51st – the 51st State of the United States (which is how some people describe Ireland)
Green – refers to Stephens Green – the beautiful park at the heart of Dublin's south city centre
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51st & Green Lounge: Facilities
The 51st & Green Lounge sits at the higher end of lounges at Dublin Airport and has a good range of facilities.
Lounge-only bathrooms
Decent layout of food
Alcoholic & soft drinks (restrictions apply)
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What is 51st & Green Lounge's Layout & Seating?
The central atrium anchors the lounge in a bright room flanked by huge windows. There is a variety of seats to suit families or solo travellers, including people who want to work on their laptops (with adequate wi-fi and power sockets). If you are hungry or thirsty, the lounge offers snacks and drinks. There are lots of lounge seats and standard tables.

These cocoon chairs are perfect for a solo traveller like me to enjoy a wee glass of vino.

The position of the lounge right at the end of the US gates gives a sense that you're ready to board as you watch the planes taxi past.

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Food & Drink
Food service at 51st & Green Lounge has been a little hit and miss in the past. On this last visit, everything was good: a well-stocked buffet with mainly cold salads and cold-cuts, but also a couple of warm options. There were options for both carnivores and vegetarians in the salad choices.

There was heaps of smoked salmon, pastrami and salads. That quinoa and roast butternut squash salad was perfectly seasoned and delicious.

Those with a sweet tooth are well catered for. Nothing here tickled my fancy, so I saved my calorie intake for something else!

Those are very nice mini buns stuffed with ham hock and a little cranberry stuffing. So good! The lounge also offers bags of Cheese & Onion Tayto crisps (chips). If you know you know. You've got to have those!

51st & Green Lounge Drink Restrictions
The 51st & Green Lounge does have restrictions: there's a 2 hour maximum stay and a 2 drink maximum. I'm uncertain how either policy is enforced, other than I guess that guests can't go up and ask for multiple drinks for themselves. The majority of passengers travelling on a US flight arrive at Dublin Airport 3 hours ahead to check luggage and start the slow process through security/pre-clearance, so 2 hours max stay is likely to tie in with their timetable for the day.

It really is worth knowing that the 51st & Green Lounge also has an excellent coffee/barista service and it's not all about the wine or gin! I found the cappuccino that I had to be as good as any city centre cafe.
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Overall Impression
This is a good lounge based on an international comparison and one of the best at Dublin Airport. There are clean toilets and showers for those on the run. There is good food if you missed your last meal and can't wait for your mid-flight snack. Some guests will care that there's no champagne (or alternative) but the wine selection is okay for a business-class / pay lounge. You should weigh up if the €45 pay at door fee is worth it for what you get – but when it's included in your ticket, it's a must-do.
Before long, you'll be on your way and it's nice to have a stress-free way to start your holiday!

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