| Dewanoumi Beya - 31-January-2000 - Tagonoura Oyakata (Former Maegashira #1 Kushimaumi) branched out of Dewanoumi Beya to form Tagonoura Beya |
| Oyakata | Rikishi |
| To Tagonoura Beya: Tagonoura (Kushimaumi) | To Tagonoura Beya: Takahashi |
| Kise Beya - February 2000 - Heya closure in preparation for retirement of Kise Oyakata (Former Maegashira #9 Kiyonomori) in April 2000. Personnel moved to Kiriyama Beya |
| Oyakata | Rikishi | Tokoyama |
| To Kiriyama Beya: Kise (Kiyonomori) | Retired: Oyashiki To Kiriyama Beya: Kisenishiki Kisenoshima Kiyoseryu | To Kiriyama Beya: Tokose I |
| Futagoyama Beya - 01-August-2000 - Misugisato Oyakata (Former Komusubi Misugisato) became Hamakaze Oyakata and moved to Magaki Beya |
| Tatsutagawa Beya - Following September Basho 2000 - Heya closure in preparation for retirement of Tatsutagawa Oyakata (Former Sekiwake Aonosato) in November 2000 - Personnel moved to Michinoku and Minato Beya |
| Oyakata | Rikishi | Tokoyama |
| To Michinoku Beya: Tatsutagawa (Aonosato) | Retired: Masunosato Nishikisato Seigoryu Tsurunomai To Michinoku Beya: Akinosato Hakuba Jumonji Ryuho Shikishima Toyozakura Yamaryu | To Minato Beya: Tokomori |