San Antonio's Most Thrilling Haunted Houses

San Antonio haunted house fans, are you ready for Howl-O-Scream? Prepare for thrills and chills lurking around every corner, including the ALL-NEW haunted house The Swamp at Blackwater Bayou.

Brave your way through five FREE haunted houses to meet all kinds of creepy creatures. Centuries old urban legends, demented dolls, the walking dead, and other nightmares come to life this Halloween.


Warning, intense content - Howl-O-Scream is intended for a mature audience.

Howl-O-Scream is included with park admission.


  • Haunted Houses


    The Swamp at Blackwater Bayou

    NEW: The Swamp at Blackwater Bayou

    The Swamp at Blackwater Bayou transports unsuspecting victims deep into a mystifying and horror-filled Louisianan bayou. These unwanted guests will venture through the moss, muck, and mayhem of a foggy boathouse, swamp, cemetery, and mansion.

    Will you be able to escape alive or fall victim to the legends of The Swamp?

    Learn More


  • Howl O Scream at SeaWorld San Antonio

    Milton Creek Manor

  • Zombie Horde

    Zombie Horde

  • Karver's Kradle

    Karver's Kradle

  • Scarlett

    Unearthed: Scarlett's Revenge

TERROR-tories

  • The Swamp at Blackwater Bayou

    NEW: The Swamp at Blackwater Bayou

    New for 2021, The Swamp at Blackwater Bayou, transports unsuspecting victims deep into a mystifying and horror-filled Louisianan bayou.  Venture through the moss, muck, and mayhem of a foggy boathouse, murky swamp, cemetery, and abandoned mansion... or is it? Voodoo curses will render you blind. The undead and the cursed will torment you.  

  • Prey-ground

    NEW: Prey-ground

    Not for child’s play! Enter the Prey-ground if you dare, where your childhood nightmares come alive.

  • Prey-ground

    NEW: The SINdustry District

    Welcome to the SINdustry district… where your wants and desires come alive (or dead?). Enjoy drinks, music, and freaks in this fantasy where your imagination will run free. You might regret it!

  • Ripper Row

    Ripper Row

    Stroll through the alleys of 19th century London, but be careful of dark corners. The spirit of Jack the Ripper lies in wait to disembowel more bodies.

  • Shadow Street

    Shadow Street

    The demon dolls have found a new place to wreak havoc, stalking the pathway in front of Mr. Karver’s Kradle. Frightful surprises await those who dare to take a closer look.

  • Vampire

    Vampire Point

    The disturbing, grotesque, and outright terrifying collide as the world's most frightening urban legends descend on this decaying town for a night of terror.

  • Zombie Zone

    Zombie Zone

    A horrible accident changed the residents of Matheson's Corner into the living dead. This Horde continues to spread the poisonous zombie making substance. There's always room for more!

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