Imagine a vibrant cultural festival taking place underwater, where mermaids and sea creatures gather to celebrate with an extravagant feast of exotic and colorful foods. Create an image that captures the magic and wonder of this unique event, blending the beauty of underwater wonders with the rich traditions of different cultures through their culinary delights.

An awe-inspiring depiction of an underwater cultural festival. Illuminate multicolored mermaids of different descents: Caucasian, Hispanic, Asian, and Black, all gathered for an extravagant feast. Sea creatures, both small and colossal, join the celebration, adding to the cider of diversity. A vast display of vibrant, exotic, and colorful foods dot the ocean floor, creating a spectacle unlike any other. Reflect the essences of various traditions through these culinary delights, each portraying the beauty of a particular culture. The serene aquatic world converges with the vibrancy of cultural fiestas, fostering a magical and wonder-filled atmosphere.