The ship park, marine experience centre and public waterfront sit within the same broad area, but they do not share one schedule or ticket.
Choose the main stop
The retired ships and naval displays suit a history-focused visit. The marine experience centre is a separate venue; confirm its current programme and access with the operator. A lake-park or seaside-park walk is the flexible outdoor option, but it is exposed to wind and weather.
Dangjin's tourism office lists the Sapgyoho site at 100 Sapgyocheon 3-gil, Sinpyeong-myeon. Its pages describe the ship park, marine centre, lake park, cycling path, wetland and seaside promenade as separate features. See the city's Sapgyoho tourism overview and ship park page for venue details.
Keep the day flexible
There is no single opening time or admission price for all Sapgyoho venues. Check the specific ship or experience-centre page before travelling; do not assume the outdoor park's access applies indoors. If you arrive late, choose one exhibit or a short waterfront section rather than trying to combine every stop.
By car, confirm parking for the chosen venue before leaving. Without a car, plan around one cluster and verify the return transport. The public sea-park listing describes an outdoor park, but that does not establish hours for the ship displays or marine centre. Use the Korea Tourism Organization accessibility listing for the public park and check conditions for each facility separately.