Peel and cut one Florida Grapefruit into segments. Squeeze remaining grapefruit and reserve juice.
Wash and finely chop fennel. In bowl, mix fennel with olive oil, sherry vinegar and 1 pinch salt and pepper.
Mix and add fresh cilantro. Keep a few leaves for garnish.
In hot frying pan, drizzle with olive oil then sear scallops 1 minute on each side.
Remove scallops from pan then deglaze with reserved Florida Grapefruit juice. Let it simmer slightly and add butter to make sauce. Add 1/8 teaspoon salt and pepper.
Place 1 tablespoon fennel salad in washed shell, top with three scallops and coat with grapefruit butter.
Finish with reserved cilantro leaves and fresh grapefruit segments.