Underground Heat III at Flask Lounge

Cold Water Crew and Katie House Music return to Flask Lounge with Underground Heat III, bringing together local and out-of-state talent for a full night of underground electronic music.

From deep selections to late-night dance floor energy, Underground Heat is built for people who like their music a little less predictable and a lot more interesting.

Lineup

• Jamie O'Sullivan
• Durdee Burdee — Washington, D.C.
• P.Sus — Tampa
• ThinkFishTank b2b Diego Smith

Come early, settle into the groove, and stay late as the night moves through four distinct sets of underground sound.

Event Details

• Date: Saturday, August 22, 2026
• Time: 8:00 PM to 1:00 AM
• Cover: $5 before 10:00 PM / $10 after
• Age: 21+ with valid ID
• Location: Flask Lounge, 117 Spring Street, Portland, Maine

Digital artwork by ThinkFishTank.