Dublin: Dublin Bay Cruise from Dun Laoghaire to Howth

Dublin Bay is best appreciated from the water, where the city opens into islands, headlands, lighthouses, and sailing boats. This one-way trip aboard the St Bridget links two of Dublin’s finest seaside towns in about an hour, giving you a pleasant ride and a useful way to reach Howth.

I like the broad coastal views, especially the changing look of Dalkey Island, Ireland’s Eye, and the Baily Lighthouse. I also like the simple plan: sail to Howth, look for seals at the harbor, then use the discounted DART voucher if you want to return by train.

The main drawback is the weather. Wind and rain can make the upper deck uncomfortable, and the onboard commentary may be hard to hear from downstairs. Bring a jacket, and treat the cruise as an outdoor outing rather than a sheltered sightseeing bus.

Key points to know before you sail

• A scenic one-way crossing: The boat travels from Dun Laoghaire to Howth, two coastal spots with very different characters.
• About 60 to 70 minutes on the bay: That is enough time for major views without taking up a full day.
• The upper deck has the best views: You will have better photo opportunities there, but it can feel cold and windy.
• Howth Harbor may bring seal sightings: Seals often swim near the harbor, though wildlife is never guaranteed.
• The DART makes the return easy: A discounted train voucher is included after the sailing.
• Friendly crew and family appeal: The trip suits all ages, and children under three can join free.

Why Dublin Bay is worth seeing from the water

Dublin is often explored by bus, foot, or train. Those options get you around efficiently, but none gives you the same view of the capital’s coastline. From the bay, the city becomes a long sweep of shore, hills, islands, beaches, and working harbors.

The cruise is not a formal sightseeing tour packed with stops. It is a moving viewfinder. You settle in, watch the coast shift, and pick out landmarks as the boat heads north toward Howth. On a clear day, the Dublin Mountains provide a strong backdrop behind Dun Laoghaire, while the open bay puts you at a comfortable distance from the city.

I find that this kind of trip works well early in a Dublin visit. It gives you a sense of the city’s shape before you spend time in its streets. You see how the south side, the bay, and the northern peninsula fit together, then arrive in Howth ready for a walk, seafood, or a slower afternoon by the harbor.

Starting at Dun Laoghaire’s East Pier

The meeting point is on Dun Laoghaire’s East Pier, just before the Bandstand. The pier itself is part of the experience. You begin among open water, harbor walls, and the broad sweep of Dublin Bay rather than in a city-center terminal.

Dun Laoghaire has long been one of Dublin’s main seaside gateways, and the cruise lets you appreciate its harbor from both sides. As the St Bridget moves away, the pier stretches behind you and the shoreline begins to look less urban. This opening section is a good time to head upstairs if the weather is kind.

The boat has space on more than one deck, so you are not forced to remain outside. The lower level provides cover and window views, which matter on a gray or showery day. Still, the upper deck is the better choice for photographs and open views of the coast.

Wear comfortable clothes and shoes. The advice sounds basic, but it matters on a boat where you may move between decks and spend part of the trip standing at the rail. A warm outer layer is especially useful because the bay can feel much colder than Dun Laoghaire’s pier.

The first views: Dublin Mountains and Dalkey Island

Once the boat clears Dun Laoghaire, the scenery becomes more varied. Look back toward the Dublin Mountains, which give the southern side of the bay its shape. The hills help explain why this coast feels so different from central Dublin, even though it is close to the capital.

The route also brings views of Dalkey Island, a small island off the south Dublin coast. Its position in the bay makes it easy to spot from the water, and seeing it from a boat gives you a better idea of how exposed the coast can be.

You may also see Joyce’s Martello Tower. The tower is a reminder of the defensive structures built along this coast, but you do not need a history lecture to enjoy the view. From the boat, it is one more distinctive marker that helps you follow the shoreline.

The commentary adds useful background and local color. Crew members share stories, myths, and information about what you are passing. One crew member named Eugene is especially helpful with practical suggestions for Howth, including a recommendation for chowder at The Brass Monkey. Commentary quality can vary by where you sit, though. Several passengers found the audio difficult to hear downstairs, so move closer to the upper-deck speakers when possible.

Open water, islands, and the Baily Lighthouse

The middle part of the trip feels more like a proper sea crossing. The boat leaves the close shelter of the southern harbor and gives you a wider view across Dublin Bay. On a sunny day, the water may be dotted with sailing boats, adding movement to an already attractive scene.

The route includes views toward Ireland’s Eye and Lambay Island, two of the bay’s most memorable islands. Their outlines change with the weather and your distance from shore. Do not expect a stop or landing. The pleasure is in seeing them from the water, as part of the wider coastal setting.

The Baily Lighthouse is another highlight. It marks the northern side of the bay near Howth and is one of the clearest signs that you are approaching the peninsula. The lighthouse, rocky shore, and open water make this section particularly good for photographs.

Conditions affect the ride. Some departures are smooth and gentle, while others may feel bumpy, especially when the wind picks up. The boat is intended for all ages, but anyone prone to motion sickness should choose a sheltered seat and keep their eyes on the horizon. The trip is short enough that most people will find the movement manageable, but it is still a boat ride, not a glassy canal cruise.

Watching for Bull Island and Howth wildlife

As you head north, you may see Bull Island, a wildlife reserve on the Dublin side of the bay. The view is another reminder that Dublin’s coastline is not only about buildings and harbors. Open shore, mudflats, and bird habitat sit close to the city.

Wildlife sightings depend on the day. Seals are commonly associated with Howth Harbor and may be seen swimming near the boats when you arrive. You should treat them as a bonus rather than a promise. A seal can appear at exactly the right moment, then vanish before you have your camera ready.

There have also been occasional sightings of dolphins and unusual sea life from the boat. These are chance encounters, not part of the scheduled program, but they add excitement when they happen. Keep your eyes on the water during the approach to Howth, not only on the shoreline.

This is one reason the trip feels more rewarding than a simple transfer. You are not just moving from one town to another. You are watching a living bay, with boats, birds, seals, changing weather, and shifting views of the coast.

Arriving at Howth’s West Pier

The cruise finishes at Howth’s West Pier, close to the fishing harbor. The arrival is practical as well as scenic. Howth gives you plenty to do after the boat docks, so the sailing can be the first part of a longer outing rather than your only activity.

The harbor is known for its fish restaurants, and it is a natural place to stop for lunch or an early dinner. A crew member’s recommendation for The Brass Monkey’s chowder has been useful to passengers, but you will find several places around the harbor if you want to compare menus or simply take a short break.

Howth is also a good place to walk. The supplied information points to its famous coastal paths, though this cruise does not include a guided hike. If you plan to walk after arrival, leave enough time in your day and bring suitable shoes. The boat trip itself is easy, but Howth’s outdoor appeal comes from spending time on foot after you disembark.

The harbor is also where you may get your best chance to see seals. Stand near the water, scan around the boats, and keep your camera ready. They are often close enough to spot without special equipment, but sightings remain dependent on nature and timing.

The DART return and the value of the $32 fare

The fare is $32 per person for a one-way sailing. That is not the cheapest way to move between Dun Laoghaire and Howth, but the price includes more than transport. You get about an hour of coastal scenery, a different view of Dublin, and access to two pleasant seaside areas in one outing.

The included voucher for a discounted DART trip after sailing improves the value. You can arrive in Howth by boat, spend time around the harbor or on the walking paths, then return by train instead of retracing the route. This creates a tidy day plan without needing to arrange separate transport in advance.

A return ferry is not included, although you can ask about booking one when boarding. Since the cruise is described as a one-way trip, check the available return choices before you set off. The DART option is the straightforward backup, especially if you want flexibility after reaching Howth.

I would consider the cruise good value for visitors who want an experience rather than the fastest transfer. If your only goal is to get from one town to the other, the price may feel high. If you want sea views, fresh air, island sightings, and a relaxed arrival in Howth, the cost makes more sense.

Finding the best seat on the St Bridget

The upper deck is the place to sit when the weather cooperates. You get open views in several directions, fewer reflections for photographs, and a clearer sense of the boat’s movement across the bay. It can also be cold, so do not judge the weather only by what it feels like on land.

The lower deck is the sensible choice when rain is falling or the wind is strong. You can stay dry and look through the windows, but the commentary may be hard to hear there. If the spoken information matters to you, try to sit where you can see or hear the crew clearly, then move outside when the weather improves.

The boat has enough room for passengers to spread out across decks and take photographs. Even so, popular departures may make the best rail positions more competitive. Arrive with enough time to get oriented, particularly if you want an outdoor seat.

The crew is one of the strongest parts of the outing. Staff are described as pleasant, friendly, and willing to help. That practical human touch matters on a short cruise, especially when you need advice about Howth after you arrive.

Who will enjoy this cruise most

This is a good choice for families. The ride is short, the sights change often, and children under three can join free. Young passengers may enjoy watching the water, boats, islands, and seals more than listening to every piece of commentary.

It also suits couples and solo visitors who want a quieter break from museums and city streets. The cruise gives you an hour to sit, look outward, and let Dublin come to you. On a calm, sunny day, it can be one of the most relaxing parts of a Dublin itinerary.

Local residents can enjoy it too. The route is not only for first-time visitors. It offers a useful and scenic way to reach Howth, with the DART available for the return journey.

You should think twice if you dislike wind, boat movement, or uncertain weather. The trip is suitable for all ages, but the experience depends heavily on conditions. A rainy day will not erase the scenery, yet it may keep you downstairs and reduce the enjoyment of the open-air views.

Practical advice for a better hour on the bay

Check the forecast, but do not rely on it completely. Dublin weather can shift quickly, and a day that begins with drizzle may clear as you approach Howth. Bring a waterproof layer and something warm, even in summer.

Plan your time in Howth before you board. Decide if you want seafood, a harbor stroll, or one of the coastal walks. The cruise itself lasts only about an hour, but the destination deserves more than a quick photograph before you catch the train back.

Keep your camera ready during the whole voyage. The views arrive gradually, and the best moment may be a passing lighthouse, an island behind the boat, or a seal near the harbor. You will also have better photographs if you step outside when possible, since windows can add glare.

If you want to hear the stories and myths, stay near the commentary rather than choosing a hidden downstairs corner. If comfort matters more than narration, the lower deck is a reasonable refuge when the sea turns rough or the rain begins.

Free cancellation is available up to 24 hours before departure, and you can reserve now and pay later. Those terms help if your Dublin schedule depends on the weather, but you should still check the current departure time and availability before booking.

Should you book the Dun Laoghaire to Howth cruise?

Book it if you want to see Dublin Bay from a fresh angle and have time to enjoy Howth afterward. The strongest reasons are the scenic route, the friendly crew, the chance of seals near the harbor, and the convenient DART return.

I would especially recommend it on a reasonably clear day when you can use the upper deck. Families, couples, and visitors who enjoy gentle outdoor activities should find the one-hour crossing easy to fit into a Dublin visit.

Skip it if you need the cheapest transport, dislike boats, or are visiting during harsh weather with no flexibility. For everyone else, the $32 fare buys a memorable coastal journey, not just a ticket from one pier to another.

FAQ

How long does the Dublin Bay cruise take?

The sailing takes about 60 to 70 minutes. The listed duration is one hour, so check the available departure details when booking.

Where does the cruise start?

The cruise starts at the East Pier in Dun Laoghaire, just before the Bandstand.

Where does the cruise finish?

The boat travels to Howth and finishes at the West Pier.

Is the trip one-way or return?

The included ticket is for a one-way ferry trip from Dun Laoghaire to Howth. A return ferry may be available to book when boarding.

Is a return train option included?

You receive a voucher for a discounted DART trip after the sailing. The train can be used for the return from Howth, subject to the applicable arrangements.

Can children join the cruise?

Yes. The trip is suitable for all ages, and children under three can join free.

What should I wear or bring?

Bring comfortable shoes and comfortable clothing. A jacket is strongly sensible because it can feel cold and windy on the water.

Can I cancel the booking?

You can cancel up to 24 hours in advance for a full refund. You can also reserve now and pay later, which keeps your plans flexible.