Things to do in Portmarnock

Activities, attractions and tours

A beach with pebbles, a distant hill with houses, and a clear sky.
A sandy beach with dunes and grass, a distant town, and a lighthouse.
A grassy coastal area with a bench overlooking the sea.
A coastal tower with a stone pathway leading to it, overlooking the sea.
A coastal landscape with a sandy beach, a clear blue sea, and green fields.

Things to do


  • find price illustration

    Explore activities

    Explore thousands of experiences from activities and attractions to day tours and transfer.
  • calendar shield illustration

    Book with ease

    Skip the line- book tickets online in minutes to top attractions with free cancellation on many activities.
  • trophy illustration

    Treat yourself

    Members save % or more when you book activities.

Top places to visit

1. St. Stephen's Green

The park dates back to 1670 but was opened in its present layout in 1880. It occupies 9 hectares of green space and offers 3.5 kilometres of pathways for visitors to stroll, run, cycle, play or just sit back and relax. St Stephen’s Green is an area of Dublin not to be missed, whatever the weather.
Learn more
A large stone archway with inscriptions, surrounded by historic buildings and a park.

2. Trinity College

Founded in 1592 by Queen Elizabeth I, Trinity College is widely recognised as the oldest university in Dublin. The campus’s magnificent Old Library is an 18th century building that houses the 9th century gospel manuscript the Book of Kells. The book portrays prolifically decorated versions of the four gospels on prepared calfskin and attracts half a million visitors every year.
Learn more
A large historic building with a prominent tower and a central archway.

3. Guinness Storehouse

At the centre of the Guinness Storehouse is the giant pint glass that rises through each of the building’s seven storeys. If full, the glass would hold 14.3 million pints of Guinness. Instead it holds the million visitors that pour through the Storehouse’s doors ever year.
Learn more
A large industrial structure with multiple levels and staircases.

4. Grafton Street

Among the most exclusive spots in European retail, Grafton Street is a boulevard full of upscale boutiques and restaurants. It is one of the two main commercial parts of Dublin and has an international array of big names. Yet the street retains its local charm with well-known street performers and traditional pubs. Bring cash and credit cards for a trip through the street’s upscale boutiques.
Learn more
A street with flower boxes, a musician, and pedestrians.

5. Aviva Stadium

Opened in 2010, the stadium was built on the site of the old Lansdowne Road Stadium, which was dismantled in 2007. When you arrive, you’ll see from its dauntless but delicate curves just what a modern architectural marvel this is – the Aviva Stadium has even won a prestigious British Construction Industry Award. With a capacity for a whopping 50,000 spectators, the stadium’s sheer size alone is a sight to behold.
Learn more
A modern stadium with a glass facade, a river in the foreground, and autumn trees.

6. O'Connell Street

O’Connell Street is among Dublin’s busiest and recognizable parts. It consists of a wide boulevard divided by spaces for trees and works of art. Admire the many historic buildings and peruse the upscale boutiques that line this busy street.
Learn more
A busy city street with historic buildings, a statue, and a flower bed.

What to do in Portmarnock


Stay near popular Portmarnock attractions

Frequently asked questions

Is Portmarnock worth visiting?
Providing a blend of coastal beaches and golfing, there's no shortage of things to do in Portmarnock. While you're here, visit Malahide Castle, a leading attraction in the area.
How do I spend a day in Portmarnock?
Malahide Castle is an awesome place to kick-start your holiday adventures. Be sure to explore the dining and retail options in Portmarnock while you're here too.
What is the top tourist attraction in Portmarnock?
The top tourist attraction near Portmarnock is Malahide Castle, so don't forget to include it on your itinerary.
Is three days enough to stay in Portmarnock?
You'll have all the time you need to visit Malahide Castle, Malahide Beach and other major attractions around the area when you book a three-day escape to Portmarnock.
Is Portmarnock a walkable neighbourhood?
If walking is your favourite way to explore, Portmarnock won't disappoint. You can reach key attractions like Malahide Castle and Malahide Beach on foot. At 3 kilometres from the centre, the popular neighbourhood of Baldoyle is also close enough for a good stroll. The same goes for Donaghmede, roughly 3 kilometres away.
What are some activities to do in Portmarnock with kids?
Deciding what to do in Portmarnock with kids is easier than ever. Whether you're getting away with teenagers or little ones, there's a range of family-friendly sights to keep them entertained here.

What to do in Portmarnock for adults?
Adults of all ages will find plenty of things to do in Portmarnock. Whether you're into the arts, adventure or just love discovering new places, there's something here for everyone.
Are there free things to do in Portmarnock?
Near Portmarnock, Malahide Beach is a terrific spot for anyone wanting to experience this area without dipping into their wallet. Also, wander around local parks and other nearby neighbourhoods, and ask a local tour guide for tips. It's one of the easiest ways to discover the most popular free things to do in Portmarnock.