Question 1

Where is Spa Resort Hawaiians?

Accepted Answer

Spa Resort Hawaiians is in Iwaki, Fukushima, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Rent-a-Girlfriend Season 4 does Spa Resort Hawaiians appear in?

Accepted Answer

Spa Resort Hawaiians appears in EP7 of Rent-a-Girlfriend Season 4.

Question 3

Can I visit Spa Resort Hawaiians?

Accepted Answer

Yes. Spa Resort Hawaiians is a real place you can visit. Check what it looks like on Street View before you go.

Question 4

Where was Rent-a-Girlfriend Season 4 filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Spa Resort Hawaiians is one of those real places (EP7).