Yes, credit cards are generally accepted in Limerick, Ireland. Most hotels, restaurants and stores accept major credit cards such as Visa, MasterCard and American Express. However, it is always a good idea to carry some cash with you for small expenses or in case the card reader at a particular location does not work. Alternatively, there are numerous ATMs throughout the city where you can withdraw cash. Remember to inform your bank about your travel plans before you travel to avoid any potential problems with your card.