Originally Posted by mtnbikinbryno
Man, I dunno. I normally wouldn't flip fish on the grill but Googling some recipes says that lots of people do. If you make sure you've got a good layer of olive oil on the top it probably won't stick if you do flip it.
Otherwise like I said tenting it can help bake the top portions while the bottom cooks up.
Can you try a test piece?
I always flip my mahi on the grill, never had a problem with it sticking or falling apart.