Why it works
One lease. Two rooms. Nothing new to build.
Until six the garden belongs to families, and that trade is worth keeping. After six the play park empties, the lights come on, and what is left is a private walled garden in a marina in the Algarve. Same rent, same bar, same hosts, completely different room.
Walls, not a terrace
Every other bar on this marina faces the promenade. This one faces inward, under bougainvillea, and once you are in it feels like somebody's garden. A waterfront table cannot copy that.
People ask for you by name
Reviewers name the staff. Google's own keyword summary puts friendly staff ahead of beer, vibe and drinks. A better-funded bar can build a garden. It cannot hire the reason people came back.
The evenings exist
Quiz nights, pop-up suppers, a garden full of adults after dark. None of it is written down anywhere a stranger could find it. That is the only thing missing.