PartyPoker is one of the largest online poker sites in the world and remains one of the best real money online poker sites. You can play a wide range of poker games online at PartyPoker, including fastforward, SPINS and the popular MILLIONS Online tournament series.
As mentioned, partypoker is one of the oldest and most popular online poker sites in the world. If there were truly something amiss with this online poker room, you would think somebody would have solved the case by now! So yes, I would have to say that partypoker is 100% legit.