From September 16 to 18, congestion is expected by cause in ｔｈree days weekend.
In some art facilities, opening time becomes early.

Benesse House Museum: 8:00a.m. - 9:00p.m. (Last admittance 8:00p.m.)
Chichu Art Museum: 9:00a.m. - 6:00p.m. (Last admittance 5:00p.m.)
Lee Ufan Museum: 9:00a.m. - 6:00p.m. (Last admittance 5:30p.m.)
Art House Project: 9:30a.m. - 4:30p.m.
ANDO MUSEUM: 9:30a.m. - 4:30p,m, (Last admittance 4:00p.m.) 
Naoshima Bath 「I ♥湯」: 10:00a.m. - 9:00p.m. (Last admittance 8:30p.m.)

Monday is a regular holiday in art facilities except for "Benesse House Museum".
But they will be closed on the 19th (Tuesday) instead of opening on the 18th (Monday/National holiday).
Please be careful.

For more information, please check the calender of Benesse Art Site Naoshima.