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Mariana County - Version 14 vs Version 15
Sep 23, 2026, 07:54 AM
Corrected image descriptions
Sep 28, 2026, 11:49 PM
Cut the page back to the Trailer 2 sign; removed the unconfirmed southern placement, the Grassrivers and Keys sub-region sections, the neighbouring-counties table and unconfirmed road links
11Overview22Mariana County is a county in the State of Leonida in Grand Theft Auto VI, most likely in the south of the state. Rockstar has not published a county map, but the county is thought to stretch from the mainland wetlands down through the island chain of the Leonida Keys, which would give it some of the most varied terrain in the state. That landscape ranges from flooded sawgrass plains and dense mangrove forests to tropical island communities connected by causeways.3+Mariana County is a county in the State of Leonida in Grand Theft Auto VI. Rockstar has not published a county map or said what the county contains (checked September 29, 2026).44Mariana County was first revealed in Trailer 2, where its name appears on an Interstate 404 directional sign in the Port Gellhorn area, listed alongside Vice-Dale County. The sign points east, so Mariana County lies somewhere east of Port Gellhorn along the interstate. Its placement in the south, covering the Grassrivers and the Keys, follows the real-world Monroe County parallel and has not been confirmed by Rockstar.5+Mariana County was first revealed in Trailer 2, where its name appears on an Interstate 404 directional sign in the Port Gellhorn area, listed alongside Vice-Dale County. The sign points east, so Mariana County lies somewhere east of Port Gellhorn along the interstate.66Geography and Regions7+What the County Might Contain88Mariana County is defined by two major sub-regions that together account for most of its landmass and character.9+If Mariana County follows Monroe County, its likely real-world model, it would take in Everglades-style wetlands like the Grassrivers and an island chain like the Leonida Keys. Rockstar has not placed either region, or towns such as Watson Bay and Key Lento, in Mariana County.1010The Grassrivers13-If the county follows its real-world model, the Grassrivers would occupy its northern and central sections. This vast expanse of flooded grasslands, mangrove channels, and muddy waterways is Leonida's equivalent of the real-world Florida Everglades. The region is home to dangerous wildlife including alligators, snakes, and other predators. Small settlements dot the edges of the wetlands, including the waterfront town of Watson Bay, which sits on the Grassrivers coastline.15-The Grassrivers terrain is largely inaccessible by conventional road vehicles making airboats, swamp buggies, and boats the primary means of transportation through the interior. Unpaved trails and elevated boardwalks connect a handful of isolated structures, fishing camps, and docks scattered across the wetlands.17-The Leonida Keys19-The Leonida Keys form an archipelago running off Leonida's southern coast and are thought to belong to Mariana County, stretching into the Gulf of Mexico and the Straits of Leonida. The island chain is accessible via the Keys Causeway, which connects to southern Vice-Dale County. The Keys feature tropical resort communities, marinas, and waterfront bars, providing a stark contrast to the untamed Grassrivers to the north.21-The most notable settlement in the Keys is Key Lento, a small island town that is a popular destination for tourists and locals alike. The Keys are inspired by the real-world Florida Keys, which lie within Monroe County off the southern tip of Florida.23-Real-World Inspiration2512Mariana County is primarily based on Monroe County, Florida, which encompasses the Florida Keys, the Everglades National Park, and several small mainland communities. The county name may also draw from Marion County, Florida.13+Mariana County may be based on Monroe County, Florida, which encompasses the Florida Keys, the Everglades National Park, and several small mainland communities. The county name may also draw from Marion County, Florida.2714Monroe County is one of the southernmost counties in the continental United States and is known for its unique geography, stretching from the Everglades on the mainland through the chain of islands that make up the Florida Keys.2816Monroe County is one of the southernmost counties in the continental United States and is known for its unique geography, stretching from the Everglades on the mainland through the chain of islands that make up the Florida Keys. This same structure is reflected in Mariana County's combination of the Grassrivers wetlands and the Leonida Keys.30-Neighboring Counties32-Rockstar has not published a county map, so the directions below are approximate.34-DirectionCountyNotesNorthKelly CountyRural and agricultural county in northwestern LeonidaEastVice-Dale CountyPrimary metropolitan county containing Vice City; connected via the Keys Causeway to the southNortheastAmbrosia CountyInland industrial county centered on sugar production3617Transportation3718Interstate 404 runs through or near Mariana County, connecting it to Vice-Dale County and Kelly County. Within the county, a network of smaller roads serves the Grassrivers communities, while the Keys Causeway provides the primary route south to the Leonida Keys. Boats and watercraft play an important role in navigating the Grassrivers, where paved roads are scarce.19+The only official link between Mariana County and the road network is the Trailer 2 sign on Interstate 404, which lists it with Vice-Dale County and points east. Rockstar has not shown which roads run through the county.3920Key Facts4122DetailInformationBased onMonroe County, Florida (name possibly from Marion County)Location in LeonidaProbably southern Leonida (unconfirmed)Associated sub-regionsGrassrivers and Leonida Keys (unconfirmed)First revealedTrailer 2 (Interstate 404 road sign)Associated settlementsWatson Bay and Key Lento (unconfirmed)Primary highwayInterstate 40423+DetailInformationBased onMonroe County, Florida (name possibly from Marion County)Location in LeonidaNot published; the Trailer 2 sign points east from the Port Gellhorn areaFirst revealedTrailer 2 (Interstate 404 road sign)Primary highwayInterstate 404