Historic royal palace
Phra Chuthathut Palace (Chudadhuj Palace)
Ko Si Chang, Chonburi, Thailand
It is the only royal palace in Thailand on an island, a free-admission 19th century summer residence of King Chulalongkorn now run as a heritage museum and marine science research station by Chulalongkorn University.
Hours
Official source, currentWednesday to Sunday, 9:00 AM to 5:00 PM. Closed Mondays and Tuesdays.
“Wednesday to Sunday 9:00 A.M. - 5:00 P.M. Closed on Mondays and Tuesdays.”
chula.ac.th · Checked 25 Jul 2026
Price
Official source, currentFree admission, no advance reservation required
“Free admission. No advance reservation required.”
chula.ac.th · Checked 25 Jul 2026
Age suitability
Not verifiedNot verified. No source we checked states this, so it stays blank instead of guessed.
Checked 25 Jul 2026
Caveats
Re-fetched both cited sources fresh this run. chula.ac.th confirms hours (Wed to Sun, 9 to 5, closed Mon/Tue) and free admission with no reservation needed, matching the prior extraction word for word, so both stay official tier. The page states no age policy at all, so ageSuitability correctly stays null rather than…
2 sources checked for this venue.