"Sandcastle Disco" is a song by American recording artist Solange Knowles taken from her second album, Sol-Angel and the Hadley St. Dreams (2008).

It is produced by Soulshock & Karlin, who also wrote the song together with Knowles and Cee-Lo Green and was released as the album's second single in August 2008.

The song was released in the US in August 2008, but failed to receive a radio adds date, and thrived off moderate digital downloads and her promotional appearances, including debuting the video on TRL.

Due to limited radio airplay, the single failed to chart on downloads alone in the proceeded weeks before the release date.

Next she makes bricks appear and disappear, while palm trees spring up on the sides of the room, continuing to set the video's stage.