1978 Island Holidays Classic

The 1978 Island Holidays Classic, also known as the Hawaii Open, was a men's tennis tournament played an outdoor hard courts in Maui, Hawaii, in the United States that was part of the 1978 Colgate-Palmolive Grand Prix circuit. It was the fifth edition of the tournament and was held from October 2 through October 8, 1978. Unseeded Bill Scanlon won the singles title.

Singles
🇺🇸 Bill Scanlon defeated 🇺🇸 Peter Fleming 6–2, 6–0
 * It was Scanlon's first singles title of his career.

Doubles
🇺🇸 Tom Gullikson / 🇺🇸 Tim Gullikson defeated 🇺🇸 Peter Fleming / 🇺🇸 John McEnroe 7–6, 7–6