The owner of a Mexican restaurant in the complex said five feet of water had rushed down steps towards his business, causing thousands of euro worth of damage.

[8] Dundrum Town Centre contains a range of retail, restaurant and entertainment tenants, many stores being the first in Ireland and flagship locations.

The centre is laid out in multiple districts, including the 'main mall' where most retail units reside across 4 main floors, 'Dundrum South' where Elverys Sports, and TK Maxx are located, the 'Pembroke District' where there is a range of food and beverage options, and 'Town centre square' to which the millpond is located, where dancing water displays occur in the pond[14] Retail stores Anchor stores Tesco, Marks and Spencer, Brown Thomas, Penneys, Dunnes Stores, H&M, Harvey Nichols, and Next.

Other stores in the centre include, Golden Discs, Hollister, JD Sports, Hugo Boss, Lush, Pandora, Nike, Space.NK, Mango, Tommy Hilfiger, TAG Heuer, L'Occitane en Provence, Bershka, Calvin Klein, TK Maxx, Skechers, Build-A-Bear Workshop, The North Face and Zara.

[15] Food and drink include over 40 offerings such as McDonald's, Nando's, Milano's, Eddie Rocket's, Butlers Chocolate Cafe, Jamie's Italian, Five Guys, Abrakebabra, Siam Thai and 2 Starbucks.

[17] Entertainment includes a Movies@ cinema, Mill Theatre Dundrum, and an Indoor Crazy golf centre.

[18] A temporary ice-skating rink is operational during some of the Winter months to host ‘Dundrum on Ice’, which starts in October.

Communicorp also have a studio in Dundrum Town Centre with 98fm, SPIN 1038, NewsTalk and Today FM regularly broadcasting from it.

In 2023, independent real estate analysts Green Street awarded and upgraded Dundrum Town Centre to A++ for the quality of its occupier mix, connectivity, competitiveness and overall build, making it the only retail destination in Ireland to achieve this rating.