The group kept it casual as they headed out to enjoy a day on the water. Priyanka stunned in a matching striped maxi skirt and bikini-style top from Montce, while husband Nick opted for Ray-Ban sunglasses with an all-green look in a tank, Onia swim shorts and slip-on shoes as he held her hand.
Meanwhile, Sophie sported tight green shorts, a graphic black T-shirt, coordinating shoes and a straw hat, and her fiance wore blue Onia swim shorts, a multi-colored collared shirt and white sneakers.
Nick took to Instagram on Sunday to share a selfie with his wife from their day in the sun. "You are my sunshine my only sunshine... #miami," he captioned the smiling pic.
It appears the group's gathering may have to do with the recent Jonas Brothers reunion. Earlier this month, the trio announced their reunion with a new single, "Sucker," and a companion music video starring Sophie, Priyanka and Kevin's wife, Danielle Jonas.
On Sunday, Nick and Kevin shared pics and videos from their time in Miami where they teased, "shooting something."