A fan found Jason and Lucia's apartment in real Miami. It was demolished years ago.
The Belmar Condominium, thirteen units, built 1973, bought for $12 million and torn down during GTA 6's development. Rockstar rebuilt it down to the floor plan.

Somebody in the community worked out which real Miami building Jason and Lucia's apartment is based on, and the answer is a building that no longer exists.
It was the Belmar Condominium, in Miami's Edgewater neighbourhood. Thirteen units, built in 1973, sitting on a small triangular lot directly across from Margaret Pace Park with open views over Biscayne Bay.
How they found it
The method is the same forensic approach that has been reconstructing the Leonida map since 2022, and it is worth understanding because it is genuinely clever.
They started with the skyline visible through the apartment window and matched it against modern Miami, which gave them a rough position and a viewing angle. The problem was that nothing stood at that position any more.
So they used Google Maps historical imagery, rolling the timeline back to the period when Rockstar would plausibly have been scouting locations. The missing building reappeared, in the exact spot and at the exact orientation the trailer footage implies.
Archived Zillow listings then confirmed the rest: Rockstar had recreated not just the exterior but the interior layout of the actual units.

What happened to the Belmar
Developers bought the entire building in a $12 million bulk deal in 2022, intending to replace it with Vela, a $300 million, 55-storey tower.
The project ran into zoning opposition and the application was withdrawn in 2023. As of 2026 the site is an empty lot with the project listed as on hold.
So a thirteen-unit building from 1973 was demolished for a tower that was never built, and the most complete surviving record of what it looked like inside is going to be a video game.
Why this is the good kind of fan research
This is not a leak and it is not a datamine. It is somebody looking carefully at published footage, forming a hypothesis, and testing it against public records until it held. Every step of it can be checked by anyone.
It also tells you something concrete about how Rockstar builds places. The studio was not making a generic Miami apartment. Somebody stood in a specific building, in a specific year, and measured it.
That matches what art director Aaron Garbut described to The New York Times about the level of thought going into rooms players may never enter, right down to which pictures hang on which wall.
The caveat
This is a community identification, not a Rockstar statement. The evidence is strong and the method is sound, but the studio has confirmed nothing.
Watch
@six.insiderLucia's apartment is a Rockstar museum
Sources
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