Bus/Combi/Camioneta to Playa Troncones

Yes, that’s still pretty much the usual process for local people.

Sometimes a person might be fortunate to be able to flag down a combi returning from Lagunillas during the walk from the bus stop on Ruta 200 and the intersection you’re referring to.

I have managed to flag one down on rare occasions.

Alternatively, if you have a cell phone, you might be able to phone a Troncones taxi when you get on the bus in Zihuatanejo to pick you up at the bus stop on Ruta 200.