The food stands are open at night as well.
Kawazu is famous for Kawazu Sakura, which bloom in winter, from February to March. From February 6 to March 10, there is light up Kawazu sakura at night.
Tourist Info.
Light up: 18:00 to 21:00
Access
0. at Atami
1. use JR Express Odoriko to Kawadu (1 hr.)
2. walk north (15 min.)
1 hr.
New Wave Samurai Movie. 
映画好き集まれ！ 
The food stands are open at night as well.