Theatre on the Lake Polson, MT Email Port Polson Players’ Theatre on the Lake Address: Theatre on the Lake Boettcher Park Polson, MT Info: Website 406-883-9212 Region: Mission Valley Upcoming events at Theatre on the Lake Jul 11 Fri Port Polson Players: On Golden Pond Jul 11 - Jul 20 Polson Theatre on the Lake Performing Arts Theatre Jul 24 Thu Port Polson Players: Who Gets The Lake Place Jul 24 - Aug 23 Polson Theatre on the Lake Performing Arts Theatre Jul 25 Fri Port Polson Players: Always... Patsy Cline Jul 25 - Aug 3 Polson Theatre on the Lake Performing Arts Theatre