Home › Venues › Blue Waters Bluegrass Festival Blue Waters Bluegrass Festival Tickets Buy tickets for concerts at Blue Waters Bluegrass Festival in Medical Lake, WA. No Upcoming Events No upcoming events scheduled at Blue Waters Bluegrass Festival. Please contact us with any corrections. Hotels & Lodging Near Blue Waters Bluegrass Festival About the Venue Blue Waters Bluegrass Festival At-a-Glance Address1386 S. Lefevre St.Medical Lake, WA 99022United States Map & Directions Advertisement