NO, Grenada (Caribbean, nicknamed Spice Island as world producer of nutmeg — the spice is even on the flag) is outside the EU — telecom roaming is billed at high rates. The Alosea Grenada eSIM is essential for paradisiac Caribbean vacations (Grand Anse Beach — voted one of the world's most beautiful, unique Underwater Sculpture Park diving, Mount Saint Catherine hikes) or Caribbean cruises. You connect to Flow Grenada or Digicel Grenada upon landing at St George's Maurice Bishop (GND).