Sources is a deathcore band from Sarasota, Florida, formed in 2014, combining the downtuned breakdowns and rhythmic brutality of deathcore with death metal extremity within the fertile Florida extreme metal ecosystem.

Spectral Blood is a Tampa, Florida death/black metal band formed in 2018, drawing from the city's legendary extreme metal lineage while incorporating the cold menace of black metal. Their sound merges Floridian death metal's thick, churning low end with black metal's atmospheric hostility.

Miami, Florida death metal band Spread the Shadows formed in 2021, operating within the South Florida extreme metal tradition with a straightforward commitment to brutal, unadorned death metal.

Storm Kingdom is an Orlando, Florida band formed in 2021 that fuses the grandeur of symphonic metal with gothic atmosphere and death metal weight, creating a lush and darkly cinematic sound.

Sumptus Ignis is a progressive death/doom metal band from Key Largo, Florida, formed in 2017, weaving dense, slow-burning compositions that balance mournful doom passages with technical death metal aggression.

Surgery is a brutal death metal band from Tallahassee, Florida, formed in 2015 and operating in the tradition of Florida's storied death metal scene with an emphasis on unrelenting speed and surgical-grade heaviness.

Swamp is a Jacksonville, Florida band formed in 2013 that melds death metal aggression with sludge metal's punishing mid-paced heaviness, drawing on Florida's deep extreme metal heritage.

Swamp Gas is a death metal and grindcore band from Everglades City, Florida, formed in 2011, unleashing blasts of putrid extremity that evoke the remote and unforgiving wilderness of the deep Everglades.

Swamp Morgue is a slam/brutal death metal band from Panama City, Florida, formed in 2022, specializing in the down-tuned, pit-invoking heaviness and visceral grotesquerie of the American slam death underground.