Lagoon Blue

 (らぐぅんぶるぅ) was an idol group based in Okinawa that formed in 2011 and disbanded in 2017.

The group was originally formed under the name Lagoon (らぐぅん), and was changed to "Lagoon Blue" on October 17, 2012.

Final Line up

 * Ruka (るか) (Joined August 2016)
 * Moni (もに) (Joined January 2017)
 * Asano (あさの) (Joined April 2017)

Former Members

 * Romashia (ロマーシア) (Joined 2011, graduated January 31, 2013)
 * Aisa (あいさ) (Joined 2011, graduated January 31, 2013)
 * Marina (まりな) (Joined 2011, graduated January 31, 2013)
 * Riho (りほ) (Joined August 10, 2012, graduated March 1, 2016)
 * Aya (あや) (Joined October 17, 2012, graduated March 1, 2016)
 * Maiko (まいこ) (Joined March 18, 2013, graduated March 1, 2016)
 * Momomi (ももみ) - Support Member (Joined April 2016, left August 2016)
 * Jun (Joined February 1, 2015, graduated December 2016)
 * Ion (いおん) (Joined April 2016, graduated December 2016)
 * Mitsuki (みつき) - Support Member (Joined January 2017, left January 2017)
 * Aoi (あおい) (Joined April 2016, left unknown)

Singles

 * [2013.04.19] Okashikutte Waracchae! (おかしくってわらっちゃえ!)
 * [2016.12.08] Aozora Story (青空ストーリー)