One Piece Chapter 516 Spoiler and Read One Piece Chapter 515 Here

One Piece Chapter 515 (Adventures on the Isle of Woman) was already released.
Read it here.

In this chapter mentioned the story of the Isle of Woman and their lifestyle. Luffy finally awake and the all of the woman in the Isle of Woman finally see a man for their first time. But for avoiding the anger from their empress, the woman soldier trying to kill Luffy, but at this time Luffy catch Margaret, and fleeing from the town.
In the jungle, Luffy tells Margaret that he is a pirate, then Margaret says their empress, Hebihime-Sama is also a great Pirate Woman, who bring the best of warrior in the Isle of Woman travelling across the sea. Meanwhile in the port Hebihime ship is almost arrive. Kikyou, the leader of Isle of Woman's warrior ordered all warrior to go to the jungle to eliminate Luffi and save Margaret before Hebihime-Sama arrive.
I think One Piece chapter Luffy will faced Hebihime, hope Hebihime will understand and help Luffy to find all of his "Nakama".