Spacetrucker is a grunge-inflected stoner metal band from St. Louis, Missouri, formed in 2016. They blend the fuzz and heavy low-end of stoner metal with the loose, blue-collar swagger of grunge, fitting well within the Midwest's tradition of unpretentious heavy rock.

Spectral Sorcery is a Pennsylvania psychedelic doom and stoner metal band formed in 2023, crafting slow, haze-drenched heavy music that prioritizes atmosphere and lysergic texture over aggression. Their sound draws from the fuzzed-out, riff-worshipping traditions of desert rock and occult doom.

Spent is a Washington state doom and stoner metal band active since 1995, delivering slow, heavily fuzzed riffs steeped in the Pacific Northwest's long tradition of heavy, psychedelic-tinged sludge.

Spirit Division is an Indianapolis, Indiana doom and stoner metal band formed in 2014, delivering fuzz-drenched riffs and hypnotic grooves in the tradition of heavy psychedelic doom.

Spiritu is a stoner and doom metal band from Albuquerque, New Mexico, formed in 2023, fusing the sun-baked heaviness of the desert Southwest with the slow, hypnotic groove of stoner doom.

Spliff Witch is a doom, stoner, and sludge metal band from Anderson, South Carolina, formed in 2021, delivering hazy, heavy-riffed music steeped in the psychedelic fatigue and swamp-weight of the Southern sludge tradition.

Split Lung is a stoner, sludge, and doom metal band from Fresno, California, formed in 2015, specializing in heavy, slow-burning riffs and oppressive atmosphere within the Central Valley's underground heavy music scene.

Atlanta, Georgia stoner metal outfit Spore Lord have been cultivating heavy, fuzz-laden riffs since 2016, drawing from the psychedelic and doom-adjacent traditions of Southern stoner rock and metal.

San Antonio, Texas stoner and sludge metal band Spunkous formed in 2023, fusing the hazy, heavy grooves of stoner metal with the abrasive weight of sludge within San Antonio's active underground scene.

Raleigh, North Carolina's Squall have combined heavy and stoner metal since 2012, blending muscular riff-driven songwriting with the hazy, groove-heavy influence of the stoner rock and metal traditions.

Rust Belt Sludge Punk from the hills of Southern Ohio.

Asheville, North Carolina stoner metal outfit Squidlord have been active since 2014, fitting comfortably within Asheville's vibrant and eclectic heavy music underground with fuzz-heavy, psychedelic-tinged stoner metal.

Stalemate of Wills is a Pittsburgh, Pennsylvania sludge, stoner, and doom metal band formed in 2022, conjuring slow, hazy heaviness from the crossroads of sludge's abrasion and stoner doom's hypnotic weight.

Stampede is a Lexington, Kentucky stoner and doom metal band formed in 2010, building slow, heavy grooves from the fertile ground between the psychedelic haze of stoner rock and the crushing weight of doom metal.

Los Angeles stoner metal outfit formed in 2017, Starburner traffics in fuzz-drenched, groove-heavy riffs that draw equally from psychedelic rock and the heavier end of the desert sound.