Phew! Almost got them all, and we've saved the best for last. Jump 50 sees you soaring across the open water - of course you'll need some serious speed up for this one. Here's the map.
Check out the final video to see that skyscraper-bothering jump.
So there you go! 50 jumps under your belt. Now there's just the small matter of 200 pigeons to find... And for some more Grand Theft Auto goodness, check out our GTA IV cheats page for codes and walkthroughs for all things GTA IV.