Dún Laoghaire (pronounced "Dun-leary") is a port city some 10 km south of Dublin, Ireland.
From central Dublin by the DART suburban railway. It is also a stop on the mainline rail service from Dublin to Wexford and Rosslare.
The Dublin and Kingstown Railway, constructed in 1834, was the first ever railway in Ireland.
The town is served by a frequent bus service and the railway station is the terminus of the 46a, the most frequent and heavily used bus route in Dublin.
By Stena Line  ferry from Holyhead in Anglesey, north-west Wales. This is one of Ireland's main sea links with the UK, but since 2010 it has become a seasonal service which only operates between early April and mid September.
A number of years ago, Lower George's Street underwent pedestrianisation, placing a ban on all general traffic with the exception of bus routes toward central Dublin.
- Sandycove Harbour Co. Dublin.
- James Joyce Museum about 15 min walk south of Dun Laoghaire on the coast road. The tower, with its gun platform and living quarters, remains much as Joyce described it. The Museum's collection includes letters, photographs, first and rare editions and personal possessions of Joyce as well as items associated with the Dublin of Ulysses. First editions of most of Joyce's works are displayed in the museum, including the original Ulysses published by Shakespeare and Company in 1922. The museum also contains one of two plaster death masks of Joyce by sculptor Paul Speck.
- National Maritime Museum Haigh Terrace, Dun Laoghaire. Situated in the former Mariner's Church, the Maritime Museum is open Tuesday to Sunday plus public holiday Mondays, from 11am-5pm. exhibits include the Optic from the Bailey Lighthouse
- Dun Laoghaire People's Park Upper George's Street, Dun Laoghaire. Beautifully laid out with different flower beds, this Victorian Park has a Children's Play Area and Tea Rooms. It is enclosed by wrought iron railings and gates and two very fine cast iron fountains manufactured by the Sun Foundry, Glasgow. A farmer's market is held here every Sunday.
- Moran Park Haigh Terrace, Dun Laoghaire. Overlooking the Harbour, Moran Park used to contain a Bowling Green. The central focus is the sculpture of "Christ the King" by internationally renowned sculptor Andrew O'Connor. Moran Park House was the location for the first wireless transmission by Gugielmo Marconi on 20 July 1898. He transmitted reports of the Kingstown(Dun Laoghaire) Regatta to this building for newspaper publication. A new library is currently under construction on this site
- Monkstown Castle, Monkstown (just NW of the center of Dun Laoghaire). The ruins of an old castle is right next door in Monkstown, a walking distance from the centre. It was built in 1636 and is in the middle of a residential area. free. edit
- Sunday Market, People's Park, Upper George's Street, . Highly recommend visiting, particularly in good weather. Great selection of food stalls, with global cuisine. Beautiful handmade jewellery, breads, art and confectionery (amongst many other stalls). Bring a picnic blanket and you can relax in the grassy areas. Great family spot, with a children's playground. edit
- South Coast Sightseeing Bus Tour, . Departs from the city centre. A perfect way to see the coast of Dun Laoghaire and Sandycove, and learn about the area's history. Adult fare is €28. Child (5-14 yrs) €14 (2 kids under 14 free with a fare paying adult). 10% discount if you book online and admission to Powerscourt Gardens in Wicklow is included in the price. The duration of the tour is 6.5hours, so clear an afternoon if you're taking this trip. edit
- O'Briens Wines Beers Spirits, Unit 3, Pavilion II, Marine Rd, Dun Laoghaire (Located on the main road connecting the town centre with the seafront), ☎ 01 2809827 (firstname.lastname@example.org), . M-Sa 1030-2200, Su 1230-2200. Choose from a selection of 800 wines and an impressive range of beers and spirits. Wine from €5. edit
- Eason Book Shop, Marine Road, ☎ (01) 202 0017. 09.00-20.00. Large bookshop, with café inside. Seating areas around the store mean you can relax and browse at ease. edit
- Hick's Pork Butchers, 60 Lower Georges Street, ☎ 01 280 1433, . Famous for their sausages, pudding and pork produce. A must-have for a real Irish fry-up breakfast. Highly recommend the white pudding! edit
- Dun Laoghaire Shopping Centre, George's Street Upper, . 09.00-18.00. Three storey shopping centre - features a range of shops selling books, art supplies, jewellery, clothing, health foods etc. Also has a large SuperValu. edit
- Harry's Cafe Bar, 21 Upper George's Street, ☎ 01 280 8337. Great Lunches. Raspberry muffins are recommended without hesitation. Blueberry muffins are out of this world. edit
- Alexi's Bar & Grill, 17/18 Patrick Street (From the church head up Patricks street, across the road from the pet shop.), ☎ 0035312808872, . Daily 12:30-15:30 17:30-22:30 (approx.). A nice restaurant with excellent service, friendly staff and delicious food! Well worth a visit (but book early, as it can be very busy) edit
- La Strada, 2-3 Cumberland Street (From the church head up Georges Street towards Dublin, La Strada past the junction with York Road.), ☎ 0035312802333, . Mon - Thurs 17:30-22:45 Fri & Sat: 17.30 - late Sun 13.00 - Late. An authentic and rustic family run Italian restuarant with a warm and welcoming atmosphere and something to suit every budget. Offering a real taste of traditional Italian and Mediterrean food with daily specials. The owner and staff are amoung the friendliest in Dublin. (Booking recommended on weekends) edit
- Toscana, 5 Windsor Terrace, Dun Laoghaire, Co. Dublin, ☎ 230 0890, . 12.00-24.00. Toscana Award winning Restaurant.Since opening in 2001 Toscana Restaurant has established itself as one of Dublin’s finest Italian Restaurants. Specialises in authentic Italian cuisine with emphasis on fresh organic produce from Wicklow. Uses locally sourced produce. Extensive selection of fine wines from Italy and from other choice regions around the world. For larger parties (5-8 people), highly recommend booking the bay-window seat upstairs. Stunning views over the harbour. Early-bird menu available. Staff are extremely welcoming and engage with the customers. edit
- Real Gourmet Burger, The Pavillion, Marine Road, ☎ 01 284 6568, . Amazing burgers with all the trimmings you could want. Vegetarian, chicken, beef and lamb burgers available - all extremely reasonably priced. Outdoor seating area overlooking the marina. Booking advisable at peak times because it can be quite busy. Children's menu available too. edit
- Scrumdiddlys Ice Cream Parlour, Crofton Road (Beside the train station). Already well-loved in the area, this is a relatively new business to Dun Laoghaire. Offers a huge range of ice cream choices. Often has a large queue so be prepared to wait if you come at peak time in good weather! edit
- Teddys Ice Cream Café, Windsor Terrace (Beside Toscana Restaurant). Famous for it's ice cream "99" cones. Extremely popular with the locals - highly recommended (especially followed by a walk along the pier) edit
- Nandos, Marine Road, ☎ 01 280 9222. 12.00-21.30. Portuguese cuisine. edit
- Miami Café, 55 George's Street Lower, ☎ (01) 280 6067. Famous among locals. Known for their classic fish and chips (or burgers). Traditional feel, with little changed in years. Does not accept credit cards. No bookings necessary. edit
Dún Laoghaire boasts 11 bars and 4 nightclubs, mostly centred along the main street, Upper George's Street. They include “traditional Irish bars” like Walters, Scotts, Wiers & Dunphys.
- Gilbert & Wright, 128 Lwr Georges St, ☎ 01 6636148, . Relaxing bar with a "living room" vibe. 70's indie decor. Comfy seating areas. Food served. edit
- Marina House Hostel, 7 Dunleary Road, ☎ (+353-1) 284 1524, . Right on DART and bus lines to central Dublin. Self catering kitchen. Dining room. Light breakfast included in room price. En-suite rooms available. Female-only Dormitories. Laundry facilities. Individual lockers available. TV room with open Fire. Barbeque area (weather permitting). Internet access. WIFI access. From €19 / night €105 / week. edit
- Rochestown Lodge Hotel (Rochestown Hotel, Dun Laoghaire), Killiney, Dun Laoghaire, ☎ +353 (0)1 285 3555, . Rochestown Lodge Hotel in Killiney, Dun Laoighaire offers luxury accommodation with spa and leisure centre in Dun Laoghaire edit
- Royal Marine Hotel, Marine Road, Dun Laoghaire, ☎ (01) 230 0030, . Restaurant, Bar, 24-hour front desk, Garden, Facilities for guests with disabilities,Express check-in/check-out, Safety deposit box, Heating, Luggage storage, Air conditioning, Free wifi available, Free parking available, Babysitting service, Currency exchange,Dry cleaning, Room service. Also has a leisure centre with a pool, sauna, spa and gym - free for guest usage. edit
- "Dalkey Castle & Heritage Centre" Castle Street Dalkey. Explore a fourteenth century fortified town house/castle. Climb to the battlements. Enjoy spectacular views of surrounding sea and mountains. Experience the tranquillity of the 10th century St Begnet's Church and Graveyard. Examine the models of Dalkey Quarry, the Funicular & Atmospheric Railways in the Exhibition space. Living History Tours with medieval characters from May 1st –October 31st. Guided Historical/Literary Walks: Mon 11.00; Wed 14.00 & Fri 11.00 (May 1st-August 31st) Bloomsday events on 16th June annually. Admission: Adults €6; Concessions €5; Child €4 & Family €16. Admission includes a short Introductory Tour. Open Mon-Fri 9.30-17.00 Sat/Sun Bank Hols 11.00-17.00 (excl Christmas)
- "Cabinteely House" This magnificient 18th Century House was built by Robert Nugent, Earl Clare and is now owned by Dun Laoghaire-Rathdown County Council. From 1933-1969 it was in the ownership of Joe McGrath who was well known in connection with the Irish Hospital Sweepstake and Waterford Glass. The house is situated in 96 acres of Parkland.
- "Marlay Park & House", Grange Road, Rathfarnham. This 18th century elegant house has been expertly restored by Dun Laoghaire-Rathdown County Council. Built in 1794 by David La Touche, of the La Touche Banking Family, it incorporates an earlier 17th century house. Of particular interest in the house are the stunning ballroom, the unusual oval music room and the elegant decorative plasterwork, some of which is attributed to James Wyatt. The house and its walled garden stand in a 214 acre park incorporating the Craft Courtyard, Coffee Shop, Tennis Courts, Golf, Football Pitches, lake and boathouse.
- "Killiney Hill Park", Killiney Hill Road, Killiney. This 200 acre Victorian Park high above sea level has breathtaking views from the summit across Killiney and Dublin Bay and the Wicklow Mountains. Walk through the woods and pathways with the coast always in view, ideal for picnics. Car park.
Dún Laoghaire is generally a very safe town. Locals will be usually happy to help and offer directions if you get lost.
Avoid walking "The Metals" at night as they can become very dark with limited street lighting.