
Iolani Palace is an Italian Renaissance palace in Honolulu, Hawaii, and a filming location for Hawaii Five-O (1968-1980) and Princess Kaiulani (2009). Built in 1882, it was designed by Thomas J. Baker (with Charles J. Wall and Isaac Moore), and is a National Historic Landmark. It is owned by Kingdom of Hawaii (royal residence of King Kalakaua and Queen Liliuokalani).
Location: 364 South King Street, Honolulu, Hawaii, United States
Verified facts
- Located in Downtown Honolulu, Honolulu, Hawaii
confidence 70/100 · 2 independent sources · SRC-0339, SRC-0340 - Designed by Thomas J. Baker (with Charles J. Wall and Isaac Moore)
confidence 70/100 · 2 independent sources · SRC-0341, SRC-0339 - Built in 1882
confidence 70/100 · 2 independent sources · SRC-0341, SRC-0342 - Architectural style: Italian Renaissance
confidence 70/100 · 2 independent sources · SRC-0341, SRC-0339 - Historic designation: National Historic Landmark (designated 1962-12-29); National Register of Historic Places (listed 1966-10-15)
confidence 85/100 · 3 independent sources · SRC-0339, SRC-0340, SRC-0479 - Owned by Kingdom of Hawaii (royal residence of King Kalakaua and Queen Liliuokalani)
confidence 85/100 · 3 independent sources · SRC-0341, SRC-0342, SRC-3000 - Appeared in Hawaii Five-O (tv, 1968-1980) — as Five-O task force headquarters (filming location)
confidence 80/100 · 8 independent sources · SRC-0343, SRC-0344, SRC-3001, SRC-3660, SRC-5336, SRC-5337, SRC-9561, SRC-9895 - Appeared in Princess Kaiulani (movie, 2009)
confidence 75/100 · 4 independent sources · SRC-3442, SRC-3443, SRC-3685, SRC-4201
Evidence & sources
- SRC-0339 — National Park Service – Iolani Palace, Honolulu, Hawai'i (Tier 1, official_archive; retrieved June 2026)
- SRC-0340 — 'Iolani Palace official site – History (Tier 1, owner_statement; retrieved June 2026)
- SRC-0341 — National Register of Historic Places Inventory-Nomination Form (NPS) (Tier 1, public_record; retrieved June 2026)
- SRC-0342 — NPS – Iolani Palace: A Hawaiian Place of History, Power, and Prestige (Tier 1, official_archive; retrieved June 2026)
- SRC-0343 — Honolulu Star-Advertiser – Five-0 Redux: Hawaii's iconic places (Tier 2, journalism; retrieved June 2026)
- SRC-0344 — Hawaii Five-O (1968 TV series) – Wikipedia (Tier 3, encyclopedia; retrieved June 2026)
- SRC-0479 — State of Hawaii, Department of Land and Natural Resources, Division of State Parks – 'Iolani Palace State Monument (Tier 1, official_archive; retrieved June 2026)
- SRC-3000 — Iolani Palace (official) – Sacred Palace (Tier 1, official_site; retrieved June 2026)
- SRC-3001 — PopMatters – Time Capsule of Our Culture: 1968's 'Hawaii Five-O' (Tier 2, news_article; retrieved June 2026)
- SRC-3442 — Wikipedia — ʻIolani Palace (Tier 2, reference; retrieved June 2026)
- SRC-3443 — Frock Flicks — TBT: Princess Kaiulani (2009) (Tier 2, reference; retrieved June 2026)
- SRC-3660 — hawaiitours.com (Tier 3, reference; retrieved June 2026)
- SRC-3685 — thesilversword.com (Tier 3, reference; retrieved June 2026)
- SRC-4201 — hollywoodreporter.com (Tier 2, journalism; retrieved June 2026)
- SRC-4737 — The Friends of 'Iolani Palace (iolanipalace.org) — official operator (Tier 1, official_operator; retrieved June 2026)
- SRC-4738 — Frommer's — 'Iolani Palace attraction guide (Tier 2, travel_guide; retrieved June 2026)
- SRC-5336 — Best of Oahu (Tier 3, blog; retrieved June 2026)
- SRC-5337 — Rob on Location (Tier 3, blog; retrieved June 2026)
- SRC-9561 — HomeyHawaii – Hawaii Five-0 Filming Locations (Tier 3, travel_guide; retrieved June 2026)
- SRC-9895 — The Fifty-O Homepage – Hawaii Five-O (1968-80) Season 1 Episode Reviews (Tier 2, reference_database; retrieved June 2026)
How we verify
Every fact above is independently corroborated by at least two reputable sources and
confidence-scored before publication. Claims that cannot clear that bar are withheld. We show the
street address only for non-residential public landmarks (museums, commercial and civic buildings,
publicly documented filming-location sites); the exact addresses of private residences and any
personal information are structurally barred from publication. Last reviewed June 2026.
Plan Your Visit
Hours: Tue-Sat 9am-4pm; ticket office 8:30am-3:30pm
Admission: Self-led audio tour: Adult $26.95, Teen (13-17) $21.95, Youth (5-12) $11.95, ages 0-4 free. Guided docent tours and specialty tours also offered. Tickets online only.
Frequently asked questions
Where was Hawaii Five-O filmed?
Iolani Palace, in Honolulu, Hawaii, is a real-world filming location used for Hawaii Five-O. This property has also appeared on screen in Princess Kaiulani.
Where was Princess Kaiulani filmed?
Iolani Palace, in Honolulu, Hawaii, is a real-world filming location used for Princess Kaiulani. This property has also appeared on screen in Hawaii Five-O.
Can you visit Iolani Palace?
Yes — Iolani Palace is open to the public. Hours: Tue-Sat 9am-4pm; ticket office 8:30am-3:30pm. Admission: Self-led audio tour: Adult $26.95, Teen (13-17) $21.95, Youth (5-12) $11.95, ages 0-4 free. Guided docent tours and specialty tours also offered. Tickets online only..
Who designed Iolani Palace?
Iolani Palace was designed by Thomas J. Baker (with Charles J. Wall and Isaac Moore).
Where is Iolani Palace located?
Iolani Palace is located in Honolulu, Hawaii.