Aqualad in the Sandbar. The Sandbar is an Internet café in Happy Harbor. History 2010 Happy HarborAugust 8, post-21:53 EDT Aqualad and Serling Roquette hid from the League of Shadows in the Sandbar. Roquette used the café's computers to finish the virus that could take out the Fog. Sightings Season 1 06. "Infiltrator" References ↑ Weisman, Jon (writer) & Oliva, Jay (director) (February 11, 2011). "Infiltrator". Young Justice. Season 1. Episode 6. Cartoon Network. Retrieved from "https://youngjustice.fandom.com/wiki/Sandbar?oldid=220017" Categories: A to Z Restaurants Community content is available under CC-BY-SA unless otherwise noted.