Nat Wolff & Grace Van Patten Go Swimming in Ischia

Nat Wolff shows off his abs while heading back to the hotel with girlfriend Grace Van Patten on Monday afternoon (July 15) in Ischia,

The adorable couple took a dip in the Tyrrhenian Sea, where they shared a little kiss in the water.

PHOTOS: Check out the latest pics of Nat Wolff

Nat and Grace are in the area to support his younger brother, Alex, who was honored during the opening night festivities with the Filmmaker of the Year award.

Alex looks to have celebrated by taking a dip in the water himself and had to change his shirt at the ceremony!