Leaving the Caribbean and heading to Florida now- The original name of Key West was Cayo Heuso so if you wanted to be overly complicated you could go Coral Cayo Heuso.
I do like
Coral Cayo (Key in spanish)
Coral Sanibel
Coral Captiva
Just felt like I needed to throw some Florida names in.
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"If you have men who will exclude any of God’s creatures from the shelter of compassion and pity, you will have men who will deal likewise with their fellow men." — St. Francis of Assisi, 1181-1226