The Mendorong Ttottot (맨도롱또똣) restaurant that Jung Joo bought from Gun woo.
This cafe appears on the drama as So Jisub's cafe where Kang Sora confronted him.
You can always see the peak on the background of the beach that Kang So Ra often goes to get seafood.
It's the brand new hotel/resort owned by Gun Woo's older brother. It's actually owned by JYJ's Junsu.
It's where the lighthouse that appeared on the drama scene (episode 8 when Jung Joo and Gun Woo hugged each other) is located.
This is where Jung Joo and Gun Woo had a romantic moment to see the sunrise on episode 2.