Marquesas Keys, Island group in Florida Keys, United States.
The Marquesas Keys comprise nine mangrove-covered islands arranged in a circular formation around the central Mooney Harbor lagoon. The area features shallow waters and wetland landscapes dominated by mangrove vegetation, which forms a natural barrier against open ocean waves.
The islands served as a military target range until 1980, after which the area was placed under protection. This past military use left marks on the landscape and eventually led to the strict conservation efforts now in place.
The islands form part of a wildlife refuge where nesting sites for sea turtles and birds are carefully protected with strict visitor rules. These conservation measures shape how people interact with the place and reflect the region's commitment to nature.
A no-motor zone extending 90 meters around the three smallest islands requires visitors to use paddle or sail, while other areas demand idle speed to protect wildlife. Being aware of these restrictions and respecting them ensures minimal disturbance to animals and nesting sites.
The islands contain the highest concentration of sea turtles in the Florida Keys, with rare feeding grounds where adult green sea turtles gather to forage. This makes the place an important refuge for a species that travels vast ocean distances.
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