RealmsCon was an annual three-day multi-genre convention held during September/October at the Emerald Beach Hotel in Corpus Christi, Texas.

[4] The convention typically featured an artists alley, cosplay contests, movie rooms, rave, role-playing, table-top gaming, video games, vendors, and workshops.

[2][3][5][6] RealmsCon started in 2005 as a science-fiction and comic book event with some anime, until the organizers found that most attendees were coming to the convention for anime.

[7] The convention in 2013 had content from the South Texas Underground Film Festival.

[8] In 2014 a cosplay fundraiser walk was held to support the Coastal Bend Court Appointed Special Advocates (CASA).