Playa Blanca is an area, but also Gaz' place is called Playa Blanca etc.
For sure, he offers a great place to stay and a great diving experience. As Gaz will tell you, they will make sure that you get to town often enough to enjoy yourselves. And going to town with Andy, is always a treat anyway.
Don't worry about the spring break thing . . not even in the spring.
Oh yeah, and don't worry about becoming your parents. Even your parents wouldn't be like your parents in San Pedro.