Express bus service between Dublin Airport and Dublin City. There are 2 bus stops in the Airport for the Aircoach service - one at Zone 2 in Terminal 1, the other just outside the arrivals area at Terminal 2. Take either Route 700 or 701. Buses depart every 15 mins and the journey is around 30 minutes. Disembark at the 'Grafton Street/Trinity College' stop, and it's a 10-minute walk to the apartment. Tickets can be purchased online in advance (link above), at the Aircoach departure points at terminals, or from the driver. The Adult fare is €10 one way or €12 return (€5 one way and €6 return for children).
Express bus service between Dublin Airport and Dublin City. Has stops at Zone 1 at Terminal 1 and Zone 21 at Terminal 2. Journey is c. 30 minutes. Three different routes serve the City: #782, #783 and #784. If you take the 782, disembark at Stop #312 [Wellington Quay/Temple Bar]. a 4-minute walk to the apartment. The other routes are slightly less convenient but you can also take the 783 (get off at Stop #2385 [Patrick St/Christchurch], an 8-minute walk) or the 784 (get off at Stop #7588 [Trinity College/College Green/Temple Bar], a 10-minute walk). Get tickets online via the website (link above) or at bus stops. Fare is €8 one way, €10 return.
Taxis are available from the taxi ranks directly outside both Terminal 1 and Terminal 2 of Dublin Airport. Just follow the signs from inside the terminals. Once you join the queue, a taxi dispatcher will assist. The usual fare from the Airport to the apartment is around €25-€30, but this depends on traffic congestion, number of passengers and time and day of pick-up. If the fare is any higher, ask for a printed receipt. Fares can be paid with cash or credit card. The journey will take between 25-40 minutes. During busy times you may have to wait for a taxi to become available but the wait is rarely more than 5-10 minutes.