The Ecotours family was on holiday with friends in Thailand when they lost their friend, Paul R. Gresham, on August 25.
His death has been ruled an accident.
Grosham was an avid surfer, and had just turned 27.
His parents said he loved to surf.
Paul R Gresman, of La Paz, Texas, was found dead on August 26.
Gretsman was 26.
Paul was a family friend and was a good swimmer, according to a statement released by his family.
He had been a volunteer at the local gym and loved swimming and going to the beach, his family said.
Paul lived in La Pahona, a town of about 15,000 people about 30 miles south of the resort of Pahoa.
He was last seen wearing a green T-shirt, blue jeans and a blue hoodie.
The Associated Press contributed to this report.