Final answer:
Grenada is known as the Spice Isle because of its nutmeg and mace production.
Step-by-step explanation:
The country known as the Spice Isle because of its nutmeg and mace production is Grenada. Grenada is located in the Lesser Antilles and has a long history of producing spices such as nutmeg, cloves, cinnamon, and ginger. The production of these spices has been an important part of the economy in Grenada.