Skeleton Horse is a groove metal and metalcore band from Panama City, Florida, formed in 2010, blending the rhythmic heaviness of groove metal with the structural dynamics and vocal intensity of metalcore. The Florida Panhandle is an underreported region for heavy music, and Skeleton Horse represents its working underground.

A Florida brutal deathcore act formed in 2022, Skin Stripper pushes the extremity dial toward the red — combining the suffocating low-end of slam-inflected brutality with deathcore's penchant for breakdown-driven punishment.

Jacksonville, Florida's Skyliner have been one of the Southeast's more ambitious heavy metal acts since forming in 2018, working across heavy, progressive, and power metal to craft music built around strong melodic sensibility and technical range. They operate in the tradition of American power metal that values both songwriting and instrumental sophistication.

Slamologist are a Bradenton, Florida deathcore band formed in 2019, applying a scientific dedication to the genre's most brutalizing elements — breakdowns, gutturals, and dissonant riffing delivered with systematic precision. Florida's long history of death metal extremity provides the backdrop for their sound.

Miami's Slashpine have operated in the noise-drenched fringes of black metal since 2011, combining corrosive raw black metal aesthetics with noise music's abrasive textures. The 305 area code embedded in their Bandcamp handle grounds them firmly in South Florida's confrontational DIY underground.

A Florida death/thrash band formed in 2024, Slaughterspine arrive at a moment when the death-thrash hybrid is experiencing a genuine underground resurgence, and their home state's storied history in both genres gives them a formidable tradition to draw from.

Central Florida death metal band from Longwood, active since 2018, delivering straightforward brutality rooted in the state's storied extreme metal tradition. Slavestate keep their sound stripped to the essentials — heaviness, aggression, and relentless low-end punishment.

Sleeping With Sirens became one of post-hardcore's most recognizable melodic acts by building songs around Kellin Quinn's unusually high, elastic voice. The band's debut, With Ears to See and Eyes to Hear, introduced a style that paired bright clean vocals with heavier dual-guitar pressure, screamed accents, and scene-punk momentum. "If I'm James Dean, You're Audrey Hepburn" captured the formula early: romantic drama, sharp dynamics, and a chorus built to rise above the distortion. Later albums broadened the palette, with Feel leaning into bigger pop melody, Madness and Gossip testing more streamlined alternative rock, and How It Feels to Be Lost pulling the band back toward heavier post-hardcore impact. Sleeping With Sirens' career is defined by that push and pull between vulnerability and force. The songs can be glossy, but they usually keep a charged live-band frame, using guitars and drums to heighten the emotional stakes around Quinn's voice rather than merely supporting it.

Florida Southern metal and metalcore band whose Bandcamp handle references the number 666, merging the groove-heavy riffing of Southern metal with the aggressive breakdowns of metalcore.