noun
Recreational diving without a heavy air tank, typically using a snorkel, mask, and fins; often synonymous with snorkeling in casual use.
沖縄でスキンダイビングを楽しんだ。
I enjoyed skin diving in Okinawa.
スキンダイビングの道具をレンタルした。
I rented skin diving equipment.
Variant with interpunct; less common in running text.
Scuba diving uses a self-contained underwater breathing apparatus, while skin diving relies on breath-holding or a snorkel.
Snorkeling is often used interchangeably with skin diving, but skin diving may imply deeper or more active free-diving.
Loanword from English 'skin diving'.