Rockstar has not published any details about refinery missions, port mechanics or blue-collar crime systems in GTA VI. It names Port Gellhorn and Ambrosia as regions and gives character backgrounds; everything else on the earlier page was invented.
What is confirmed and what is not
| Item | Status | What is published | Source | Limit |
|---|---|---|---|---|
| Port Gellhorn | Confirmed (Rockstar, Only in Leonida) | Named as one of the places on Rockstar's world page. | Rockstar Only in Leonida | Rockstar's region profile text was not re-read; an earlier check on this site recorded it as a faded former resort coast. |
| Ambrosia | Confirmed (Rockstar, Only in Leonida) | Named as one of the places on Rockstar's world page. | Rockstar Only in Leonida | An earlier check on this site recorded an industrial theme with a refinery; not re-read 28 Sep. |
| Smuggling background | Confirmed (Rockstar, Only in Leonida) | Brian Heder is "a classic drug runner from the golden age of smuggling in the Keys", "still moving product through his boat yard". Jason worked for local drug runners in the Keys. | Rockstar Only in Leonida | Character background, not a mission description. |
| Sugar refinery drug labs | Rumour, unverified | — | — | No official source. |
| Port Gellhorn share of state trade | Not verified | — | — | The '40%' figure had no source. |
| Refinery or port missions, ownership, stealth | Not announced | — | — | No feature has been described by Rockstar. |
Related: the six Leonida regions compared, the Leonida map hub, official character profiles.
Sources: Rockstar, Only in Leonida. Researched from Rockstar's Only in Leonida page; read in full and checked 28 September 2026 (the region profile pop-ups did not load, so region details are not re-verified).