3 Days in Dublin Itinerary: Pubs, Parks, and History

Three days in Dublin is the perfect amount of time to soak up the city's literary history, vibrant pub culture, and lush green parks. You'll want about 3GB to 5GB of data to navigate the winding streets of Temple Bar and find the best hidden gems in the Creative Quarter. By grabbing an Ireland eSIM before you leave Sydney or Auckland, you can land at Dublin Airport, skip the expensive roaming fees, and start exploring immediately.## Day 1: The Heart of Dublin and Literary LegendsYour first day is all about the classics. Start your morning at Trinity College Dublin. Walking through the front arch feels like stepping back in time. The main draw here is the Book of Kells, a stunningly detailed 9th-century manuscript. After seeing the book, you’ll walk through the Long Room, a massive, barrel-vaulted library that looks like something straight out of a movie. It’s one of the most photographed spots in Ireland, so make sure your data is ready to upload those shots to the 'gram.From Trinity, it’s a short stroll to Grafton Street, Dublin’s premier shopping strip. This is where you’ll hear the city’s famous buskers—some of whom, like Glen Hansard or Dermot Kennedy, have gone on to global fame. If you need a break from the crowds, duck into St. Stephen’s Green at the top of the street. It’s a beautiful Victorian park with ducks, fountains, and plenty of benches for people-watching.As evening rolls around, head toward the Creative Quarter (the area around South William Street) for dinner before making your way to Temple Bar. While Temple Bar is famously touristy and the drinks are a bit pricier, the atmosphere and live music are something every first-timer should experience at least once. Just remember that while you're navigating these cobblestone streets, using Google Maps is essential. Instead of paying $10 a day to your home carrier, you can see plans from AussieRoam that give you local Eir network access for a fraction of the cost.## Day 2: Castles, Cathedrals, and the Black StuffDay two dives deep into Dublin’s history. Start at Dublin Castle, which served as the seat of British rule in Ireland for centuries. Today, it’s a mix of government buildings and beautiful state apartments you can tour. Right next door is the Chester Beatty Library, which houses an incredible collection of rare books and manuscripts from across the globe.Next, head over to the two great cathedrals: Christ Church and St. Patrick’s. Christ Church is the older of the two and features a fascinating crypt, while St. Patrick’s is the national cathedral and sits next to a lovely park that’s perfect for a quick rest.Now for the highlight many travelers wait for: the Guinness Storehouse. Located at St. James’s Gate, this multi-story experience teaches you everything about the brewing process, the iconic advertising, and, most importantly, how to pour the perfect pint. The tour ends at the Gravity Bar, which offers 360-degree views across the Dublin skyline. It’s the perfect spot to use your eSIM data to check the opening times for your next stop or book a table for dinner.For a bit of grit and heavy history, spend your late afternoon at Kilmainham Gaol. This former prison held many of the most famous political and military leaders in Irish history. It’s a somber but essential visit to understand the struggle for Irish independence. End your night at The Brazen Head, officially Dublin’s oldest pub, dating back to 1198.## Day 3: Phoenix Park and Coastal EscapesOn your final day, start big at Phoenix Park. It’s one of the largest enclosed public parks in any European capital. You can rent bikes near the entrance and cycle around to see the Papal Cross, the Wellington Monument, and the herd of wild fallow deer that live there. It’s also home to the Dublin Zoo and Áras an Uachtaráin (the residence of the President of Ireland).In the afternoon, you have a choice. You can stay central and visit the Jameson Distillery Bow St. for a whiskey tasting, or you can jump on the DART (the local train) and head out to Howth. We highly recommend the latter. Howth is a charming fishing village on the coast. The Howth Cliff Walk offers breathtaking views of the Irish Sea and the lighthouse. Afterward, grab some fresh fish and chips or a bowl of seafood chowder at one of the many restaurants along the pier.If you’re planning to extend your trip beyond Dublin to the UK or across the rest of Europe, having a flexible data plan is a lifesaver. You won't have to hunt for dodgy public Wi-Fi or worry about the massive daily fees charged by Aussie and Kiwi telcos.## Staying Connected: Why an eSIM Beats RoamingWhen you're traveling from Australia or New Zealand, the "default" option is often to just leave your roaming on. But for Kiwis, checking a 2degrees International Roaming vs Travel eSIM for Kiwis guide shows that those $8-per-day charges add up fast. Similarly, Australians using Felix Mobile Roaming vs Travel eSIM will find that a dedicated travel eSIM offers much better value for heavy data users.### Local Coverage with EirAussieRoam connects you to the Eir network in Ireland. Eir is one of the big three local carriers and offers extensive 5G coverage throughout Dublin and 4G/LTE in more rural areas. Whether you're in the middle of the Wicklow Mountains or the center of O'Connell Street, you’ll have a solid signal. This is a "data only" plan, meaning you don't get a local Irish phone number, but you can keep your WhatsApp, Messenger, and FaceTime active on your Aussie or Kiwi number without any issues.### Roaming Comparison Table| Feature | AussieRoam Ireland eSIM | Telstra/Optus/2degrees Roaming || :--- | :--- | :--- || Network | Eir (Local 5G/4G) | Roaming Partner (Varies) || Daily Cost | No daily fees; pay for data used | $5 to $10 AUD/NZD per day || Setup | Instant digital download | Automatic (High risk of bill shock) || Flexibility | Top up anytime | Limited by daily caps |### How to Install Your eSIMSetting up your connection is easy. You can do it while waiting for your flight at Sydney or Auckland airport, or even while sitting on the tarmac in Dublin using the airport's Wi-Fi.1. Check Compatibility: First, make sure your phone is compatible with eSIM technology. Most iPhones from the XS onwards and recent Samsung Galaxy/Google Pixel phones are ready to go.2. Choose Your Plan: Pick a plan based on your trip length. For 3 days in Dublin, a 3GB or 5GB plan is usually plenty. You can see plans here.3. Scan the QR Code: After purchase, you’ll get a QR code via email. Go to your phone's cellular/mobile data settings and select "Add eSIM."4. Label Your Lines: Call your home SIM "Home" and the AussieRoam eSIM "Ireland."5. Toggle Data: Set your cellular data to the "Ireland" line and ensure "Data Roaming" is turned ON for that specific line.For a more detailed walkthrough, check our how to set up your eSIM guide.## Data Needs for Your Dublin TripHow much data do you actually need for 3 days? Here’s a rough breakdown:- Google Maps: 50MB per hour of active navigation. Essential for finding those hidden pubs.- Social Media: 100MB per 10 minutes of scrolling or uploading high-res videos of your Guinness pour.- WhatsApp Calls: Very low data usage, about 0.5MB per minute.- Music Streaming: 150MB per hour if you're listening to Irish folk tunes on the train to Howth.A 3GB plan is usually the "sweet spot" for a long weekend, giving you enough breathing room to use your phone as much as you want without hunting for Wi-Fi. If you run out, AussieRoam allows for quick top-ups through the website.## The bottom lineDublin is a city best explored with a pint in one hand and a smartphone in the other for navigation. Don't let the fear of a massive phone bill from Telstra, Optus, or Spark ruin your trip. By switching to a local Eir-powered eSIM, you get fast 5G data, the freedom to roam from the city to the coast, and more money in your pocket for a round of drinks at the pub.