This is one of David Hamilton's films.
https://www.imdb.com/title/tt0086136/
The following caps show the quality:Synopsis: Three teenage girls decide to visit a romantic island and find love. They get shipwrecked and end up on different sides of the island. Each girl begins her own romantic adventure either with a man, a boy or even another girl.
https://postimg.cc/21pJpS5Z
https://postimg.cc/WqGZh8Mj
https://postimg.cc/xc9J6KvJ
https://postimg.cc/gnBhrxhx
And here's the download link:
https://mega.nz/folder/4mwk1SQT#Z1QPVm8fm787gC8-DZF4ZA