The Chamberlain/Oacoma Area Chamber of Commerce in South Dakota offers its members a dynamic blend of benefits and an array of unique events that enrich the local community. Chamberlain/Oacoma Chamber of Commerce members can expect robust support and numerous opportunities for business growth and community involvement. This non-profit organization promotes the interests of local and regional individuals, businesses, and organizations in various sectors such as government, health, agriculture, education, recreation, and culture. The Chamber works closely with the cities of Chamberlain and Oacoma, focusing on membership recruitment, promotion of community businesses, and the development of tourism opportunities. Key initiatives include the “Shop Chamberlain-Oacoma First” campaign and serving as a local civic information clearinghouse, vital for improving the local economy and community spirit​.

The Chamber's event calendar is packed with activities throughout the year, catering to various interests and age groups. Starting the year with the Chamber Annual Retreat and the SD Governor’s Conference on Tourism in January, the events span all seasons. Notable events include the Burger Battle in February, the Annual Awards Gala in March, the Big Bend Shrine Circus and Community Easter Egg Hunt in April, and the River City Rumble Demolition Derby in April. Summer months are filled with excitement, featuring the American Island Days, the SDSRA Car Show, and the iconic Rock the Bluffs Fireworks Show on July 4th. The Harvest Festival in September stands out with its food and craft vendor fair, “Punkin Chunkin,” and family activities​​​​​.

Such a diverse array of events offers entertainment and engagement for the community and presents numerous opportunities for businesses to get involved, either as sponsors, participants, or hosts. This involvement can lead to increased visibility and networking opportunities, further enhancing the benefits of Chamber membership. The Chamberlain/Oacoma Area Chamber of Commerce exemplifies a proactive approach to community and business development, making it an invaluable asset to the region.