The main bar accepts credit card (which is rare for Tulum) and the staff allows you to take drinks from that bar into other areas.

Can I use my credit card in Tulum Mexico?

TIPS WHEN TRAVELING TO TULUM

Most places in Tulum are cash-only. Most of the upscale hotels and hotel restaurants accept credit cards, but the stand-alone restaurants tend to not. While there are ATMs on Boca Paila (the coastal road), I would recommend bringing cash.

Does ARCA Tulum take credit cards?

They don't take credit cards. We ordered two entrees, two drinks, two appetizers plus bread and shared dessert.