Waterfront Homes for Sale in Big Arm, MT

Based on information from the Montana Regional MLS, LLC (alternatively, from MRMLS)through Nov 1, 2026, 7:30 AM. IDX information is provided exclusively for consumers(U+0027) personal, non-commercial use, that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing, and that the data is deemed reliable but is not guaranteed accurate by MRMLS.