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GTA 6 Map

Mariana County in GTA 6

A coastal county encompassing parts of the Leonida Keys, confirmed via an in-game road sign.

Map Status

Status:
Confirmed
Region:
Mariana County
Parent region:
Leonida
Evidence:
Official screenshotOfficial trailer
Confidence: High (4/5)
Last updated:
2026-06-18

What We Know

Mariana County is a coastal county that encompasses parts of the Leonida Keys, offering geography distinct from the mainland counties. Its name was confirmed through an in-game road sign visible in official trailer footage, making it one of the verified administrative divisions of the state.

Evidence

  • First seen in: GTA 6 Trailer 2 (May 2026)
  • County name confirmed via an in-game road sign in official footage.
  • Official Rockstar source

Possible Real-Life Inspiration

Monroe County / Florida Keys — described as a possible inspiration based on visual and geographic analysis. Rockstar has not necessarily confirmed this comparison.

Related Locations

ConfirmedLeonida Keys
Leonida Keys

The Leonida Keys are an island chain region shown in official GTA 6 trailers, featuring bridges, marinas, and coastal communities.

Official trailerOfficial screenshot

Updated June 14, 2026

View details →
ConfirmedLeonida
Leonida

Leonida is the fictional U.S. state that serves as the open-world setting for GTA 6, encompassing Vice City and surrounding regions.

Official pageOfficial trailer

Updated June 14, 2026

View details →
ConfirmedLeonida Keys
Key Lento

An island in the Leonida Keys that holds Jason Duval's starting apartment, making it a literal starting point of the game.

Official trailerOfficial screenshot

Updated June 18, 2026

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FAQ