My wife and me could make awesome memory! It was my first snorkeling but it was so easy and a lot of fun.
Especially, our guide Diego, ikemen, explains everthing so easy. It help me to enjoy snorkeling. And, I could see a sea snake with Diego's help.
I strongly recommend this activity.
P. S. The ikeman explain Ishigaki's history while driving. It help me to understand the land.