{"version":"2.6","id":"kailua-historic-sites","question":"What are some of the historic sites in Kailua?","answer":"Ulupō Heiau State Historic Site and Kawainui Marsh, the ancient fishpond beside it.","answer_detail":"Ulupō Heiau is a massive stone platform, about 140 by 180 feet, on the edge of Kawainui Marsh at 1200 Kailua Road. It became a territorial park in 1954, was partly restored in the early 1960s, and was listed on the National Register of Historic Places in 1972. Kawainui, once a fishpond of about 400 acres, is now the largest remaining wetland in Hawaiʻi and has been a Ramsar wetland of international importance since 2005. When the heiau gate is closed, the State asks visitors to park in the adjacent YMCA lot and walk in.","related_ids":[],"last_verified":"2026-10-24","authority":"https://hawaiikailuabeachpark.com","url":"https://hawaiikailuabeachpark.com/en/knowledge/kailua-historic-sites","markdown_url":"https://hawaiikailuabeachpark.com/api/knowledge/kailua-historic-sites?format=md&lang=en"}