When The Navy launched "Second generation warship" construction plan, it donated 50 hectares back to Kaohsiung City Government for public use. Among them, 30 hectares were preserved for conservation due to the existing mangrove plantation. Through the effort of local environmental groups, the city government agreed to give these 30 hectares to grow the conservation-type mangrove, and established YuanJhongkan Wetland Park in 2007-2008. The study explores the relations among voluntary interpretation, recreation experience, and community attachment for visitors at the wetland park. The on-site questionnaires were conducted during March and April 2018, and a total of 301 usable questionnaires were obtained. Results showed that over 96% of respondents agreed that voluntary workers maintained well in wetland's natural environments and the wetland park provided good habitats for the wildlife, 91% were willing to revisit the wetland, and 94% would recommend friends to visit the park. Over 40% of respondents were the first-time visitors. Results also indicated that there were significant positive relations among voluntary interpretation, recreation experience, and community attachment; community attachment was related to recreation experience.