Membership Join us and help keep Lake Monomonac the natural treasure that we all enjoy. $75 – Lake Supporter $100 – Lake Warden $250 – Lake Protector $500 – Lake Champion Join Now Online Membership Options Lake Supporter $75.00 USDLake Warden $100.00 USDLake Protector $250.00 USDLake Champion $500.00 USD