Welcome to LMSOA! Lake Medina Shores Owners Association (LMSOA) is a Property Owners Association (often referred to as a POA or an HOA) for the Lake Medina Shores subdivision located in the community around Medina Lake and Whartons Dock in Bandera, TX. The subdivision covers a large geographical area and includes residents, property owners and renters. To raise community awareness, LMSOA often posts news, information, answers to questions to help property owners.