This article attempts to study on establishing the Yeongwol museum cluster and to suggest community brand marketing strategies. A theme museum, in which today’s people are interested, is a complex to fill up a visitor's susceptibility and experience through special contents and presentations focused on both intangible information and tangible material based on Yeongwol region. In order to achieve successful establishment of a theme museum, its founder has to be interested in multi-components of a museum, such as a cyber space, anadig2) contents, and ubiquitous3) on-line network museum system, and also he has to make a harmony of indoor space, open-air site, and web site to get synergical efficiency. For the best efficient management, CEO of a theme museum has to support strongly R&D, special exhibitions, and community marketing, and also to serve kindly the target clients and the latent visitors with the best services and the re-visit attractiveness. He has to make efficiently harmony with museum marketing strategies mixed seven components such as presentation, price, place, promotion, people, period, and pleasure. And he and members of the theme museum cluster has to utilize the ubiquitous network system and to execute brand marketing strategies based on both natural and cultural heritage in the region. In conclusion, the Yeongwol museum cluster can be established systematically and achieved successfully by the volunteer participants of the theme museums based on tangible and intangible heritage, and ecological and cultural environment in the region of Yeongwol. The ubiquitous on-line network museum system is able to be easily utilized by the target clients and the latent visitors, and the community brand marketing can be efficiently executed by not only members of the Yeongwol museum cluster but also inhabitants of that region.