The Square Grouper Bar and Grill is located at MM 22.5 Oceanside on Cudjoe Key, Florida. One of the Florida Keys most popular destinations for unforgettable fresh & local seafood, with an emphasis on consistency and quality. Lynn and her staff have a dedication to excellence paired with a focus on detail which has defined the Square Grouper Bar and Grill as a must visit restaurant. The restaurant emphasizes being environmentally friendly and “green”, and all paper products and straws are made from corn products.