Shrooms Circle deliver stoner and doom metal from Vevey with a six-piece lineup that includes keyboards, adding symphonic depth to albums like "Venus" and "The Constant Descent." Their sound ranges from psychedelic heaviness to darker, more theatrical territory on releases like "S.L.E. (Sadistic and Lovely Execution)."

Now-defunct psychedelic stoner/sludge metal band from Ghent whose members have continued as Bogbogbog, Silent Snare delivered "goosebumps-inducing psychedelic outbursts" across their self-titled 2018 album and 2015's "Darken EP." Their genre-warping sound combined fast thrashy passages with sludgy breakdowns and hypnotic stoner interludes.

Silver Gallery has been dispensing thick sludge and stoner metal from the Marseille underground since 2013. Feeding off the gritty energy of France's Mediterranean port city, they craft riff-heavy jams soaked in fuzz and feedback.

Six Months of Sun channel stoner metal from Geneva, building hazy, riff-driven compositions that evoke sun-baked heaviness. Their sound draws on the psychedelic end of the doom/stoner spectrum with a Swiss sensibility.

Skeptic Green channel stoner metal from San Pedro del Pinatar in the Murcia region, building hazy, riff-heavy compositions from the Mediterranean coast. Active since 2014, they bring sun-baked, skeptical heaviness to southeastern Spain.

Skythen channel stoner and sludge metal from Hamburg, building hazy, riff-heavy compositions that draw their name from the ancient Scythian nomads. Active since 2015, they bring historical weight to their Hanseatic stoner/sludge sound.

Slat sludge through heavy, tar-thick compositions from Brno, channeling the genre's trademark slow-burn aggression through a Czech lens. Formed in 2021, they bring stoner-inflected doom to the Moravian capital's diverse metal scene.

Sleep of Thoth channel sludge, stoner, and doom metal from the Balearic Islands, building crushing compositions inspired by the Egyptian god of knowledge and the moon. Formed in 2021, they bring ancient wisdom and island-bred heaviness to the Mediterranean.

Sleeping Tree channel stoner metal and rock from Augsburg, building riff-heavy compositions that evoke sun-drenched, psychedelic heaviness. Formed in 2019, they bring laid-back doom groove to the Bavarian Swabian capital.