Look beyond the mudflats
Oido is often associated with the sea and tidal flats. Yet its coast also preserves traces of earlier communities who lived by gathering resources from the shore. At Siheung Oido Museum, exhibits offer clues about those lives; the nearby Oido Prehistoric Site Park gives visitors a different setting in which to think about the past. They are not the same building and have different addresses.
Free permanent exhibits, paid children's activities
According to Siheung City's official visitor information, the museum's third-floor permanent galleries are free. The second-floor children's activity room is charged separately, with published sessions 10:30–12:00, 13:30–15:00 and 15:30–17:00. The listed prices are KRW 1,000 general, or KRW 500 for Siheung residents and eligible groups (the published age bracket is 36 months to 64 years), with exemptions for certain visitors. Check the actual programme and remaining spaces on the booking page before promising a child an activity; free gallery admission does not guarantee an available workshop.
Two destinations to enter on your map
The museum is at 332 Oido-ro, Siheung, and the prehistoric park at 113-27 Seohaean-ro, Siheung. Museum hours are 10:00–18:00, with closures on Mondays, New Year's Day, Lunar New Year and Chuseok. From Oido Station, the official directions recommend buses 30-2 or 99-3 to Oido Museum stop and a short walk of about two minutes. Other routes are listed from Jeongwang and Ansan stations. Confirm live bus departures and the actual transfer time between facilities on the day of travel.
A question for the whole family
What would daily life have been like for coastal residents without modern refrigerators, shops or maps? The objects and landscape can help families discuss an answer without needing specialist historical knowledge. For the exact age and meaning of each archaeological item, follow the museum's own interpretive labels.