They were shocked by the dozens of balloons they fished out of the sea.
"There's literally three birds chilling next to a balloon," Kiana Ting is heard saying in a video she recorded while out on the water.
As she pulls a large, deflated Mylar balloon out of the Pacific by hand, she is heard exclaiming, "Are you serious?! What about Mother Earth?!"
It was one of the many helium-filled balloons from Mother's Day, graduations and other ceremonies that are landing in the ocean.
Ting says it's heartbreaking because the balloons are detrimental to marine life.
Her father, who runs a charter boat business, is offering weekly ocean clean-up trips for volunteers.