The Underwater Heritage Museum in Mokpo, operated by Korea's National Research Institute of Maritime Heritage, exhibits excavated vessels and maritime artifacts. Official visitor information states free entry, 09:00–18:00 opening, last admission at 17:00, and Monday closure. Gallery 2, the Asian Maritime Exchange Gallery, focuses on the Sinan ship, which sank off Korea's southwest coast while sailing from China toward Japan in 1323. Pottery, spices and timber recovered after its discovery in 1976 illuminate medieval East Asian commerce. The museum also introduces an animation about the ship at the gallery entrance. Address: 136 Namnong-ro, Mokpo; enquiries: 061-270-3001. Check official notices for any gallery changes or hands-on program restrictions.