Owner: Sotetsu Holdings (100%).
Sotetsu Holdings is listed on Tokyo Stock Exchange. Largest owner: Odakyu Electric Railway (6.57%)
| Railway | Line |
| Sōtetsu | Hon |
| Izumino | |
| Sōtetsu Shin-Yokohama | |
| JR East | Sōtetsu JR Link |
| Opened | 1926 - 1933 | Tracks | Double track |
| Maps | Station code | Km | Station name | Official name | Furigana name | Connecting lines | City | Prefecture |
| Mapion | SO01 | 0.0 | Yokohama | 横浜 | よこはま | JR East: Keihin-Tōhoku >Ōmiya > JR East: Negishi >Ōfuna JR East: Shōnan-Shinjuku Line >Ōfuna >Ōmiya JR East: Tōkaidō hon >Tōkyō >Atami JR East: Yokohama* >Hachiōji JR East: Yokosuka >Tōkyō >Kurihama Keikyū: Hon >Shinagawa >Uraga Tōkyū: Tōyoko >Shibuya Yokohama City: Blue - Line 3 >Kannai >Azamino Yokohama Kōsoku: Minatomirai21 >Motomachi-Chūkagai | Yokohama-shi | Kanagawa |
| Mapion | SO02 | 0.9 | Hiranumabashi | 平沼橋 | ひらぬまばし | |||
| Mapion | SO03 | 1.8 | Nishi-Yokohama | 西横浜 | にしよこはま | |||
| Mapion | SO04 | 2.4 | Tennōchō | 天王町 | てんのうちょう | |||
| Mapion | SO05 | 3.3 | Hoshikawa | 星川 | ほしかわ | |||
| Mapion | SO06 | 4.3 | Wadamachi | 和田町 | わだまち | |||
| Mapion | SO07 | 5.0 | Kami-Hoshikawa | 上星川 | かみほしかわ | |||
| Mapion | SO08 | 6.9 | Nishiya | 西谷 | にしや | Sōtetsu: Sōtetsu Shin-Yokohama >Hazawa Yokohama-kokudai - Shinjuku | ||
| Mapion | SO09 | 8.5 | Tsurugamine | 鶴ヶ峰 | つるがみね | |||
| Mapion | SO10 | 10.5 | Futamatagawa | 二俣川 | ふたまたがわ | Sōtetsu: Izumino >Shōnandai | ||
| Mapion | SO11 | 12.2 | Kibōgaoka | 希望ヶ丘 | きぼうがおか | |||
| Mapion | SO12 | 13.6 | Mitsukyō | 三ツ境 | みつきょう | |||
| Mapion | SO13 | 15.5 | Seya | 瀬谷 | せや | |||
| Mapion | SO14 | 17.4 | Yamato | 大和 | やまと | Odakyū: Enoshima >Sagami-Ōno >Katase-Enoshima | Yamato-shi | |
| Mapion | SO15 | 19.3 | Sagami-Ōtsuka | 相模大塚 | さがみおおつか | |||
| Mapion | SO16 | 20.5 | Sagamino | さがみ野 | さがみの | Ebina-shi | ||
| Mapion | SO17 | 21.8 | Kashiwadai | かしわ台 | かしわだい | |||
| Mapion | SO18 | 24.6 | Ebina | 海老名 | えびな | JR East: Sagami >Chigasaki >Hashimoto Odakyū: Odawara >Shinjuku >Odawara |
| Opened | 1976 | Futamatagawa - Izumino | Tracks | Double track |
| 1990 - 1999 | Izumino - Shōnandai |
| Maps | Station code | Km | Station name | Official name | Furigana name | Connecting lines | City | Prefecture |
| Mapion | SO10 | 0.0 | Futamatagawa | 二俣川 | ふたまたがわ | Sōtetsu: Hon >Yokohama >Ebina | Yokohama-shi | Kanagawa |
| Mapion | SO31 | 1.6 | Minami-Makigahara | 南万騎が原 | みなみまきがはら | |||
| Mapion | SO32 | 3.1 | Ryokuentoshi | 緑園都市 | りょくえんとし | |||
| Mapion | SO33 | 4.9 | Yayoidai | 弥生台 | やよいだい | |||
| Mapion | SO34 | 6.0 | Izumino | いずみ野 | いずみの | |||
| Mapion | SO35 | 8.2 | Izumi-chūō | いずみ中央 | いずみちゅうおう | |||
| Mapion | SO36 | 9.3 | Yumegaoka | ゆめが丘 | ゆめがおか | |||
| Mapion | SO37 | 11.3 | Shōnandai | 湘南台 | しょうなんだい | Odakyū: Enoshima >Sagami-Ōno >Katase-Enoshima Yokohama City: Blue - Line 1 >Kannai | Fujisawa-shi |
| Opened | Nov 30, 2019 | Nishiya - Hazawa Yokohama-kokudai | Tracks | Double track |
| March 18, 2023 | Hazawa Yokohama-kokudai- Shin-Yokohama |
| Maps | Station code | Km | Station name | Official name | Furigana name | Connecting lines | City | Prefecture |
| Mapion | SO08 | 0.0 | Nishiya | 西谷 | にしや | Sōtetsu: Hon >Yokohama >Ebina | Yokohama-shi | Kanagawa |
| Mapion | SO51 | 2.1 | Hazawa Yokohama-kokudai | 羽沢横浜国大 | はざわ よこはまこくだい | JR East: Sōtetsu JR Link >Shinjuku (-Kawagoe) | ||
| Mapion | SO52 | 6.3 | Shin-Yokohama | 新横浜 | しんよこはま | JR Central: Tōkaidō Shinkansen >Tōkyō >Shin-Ōsaka JR East: Yokohama >Yokohama >Hachiōji Tōkyū: Tōkyū Shin-Yokohama >Hiyoshi and beyond Yokohama City: Blue - Line 3 >Kannai >Azamino |
| Section | Line / tracks used | Comments |
|---|---|---|
| Hazawa Yokohama-kokudai - Tsurumi | Tōkaidō Hon freight tracks (not an official passenger line) | |
| Tsurumi - Nishi-Ōi | Yokosuka Line tracks (Tōkaidō Hon) | |
| Nishi-Ōi - Ōsaki | Tōkaido Hon freight tracks (not an official passenger line) (also used by Shōnan-Shinjuku Line) | Fares calculated over Shinagawa (5.6 km) |
| Ōsaki - Shinjuku (-Kawagoe) | Runs as Saikyō Line |
| Maps | Km | Station name | Official name | Furigana name | Connecting lines | City | Prefecture |
| Mapion | 0.0 | Hazawa Yokohama-kokudai | 羽沢横浜国大 | はざわ よこはまこくだい | Sōtetsu: Sōtetsu Shin-Yokohama >Ebina | Yokohama-shi | Kanagawa |
| Mapion | 8.8 | Tsurumi | 鶴見 | つるみ | |||
| Mapion | 16.6 | Musashi-Kosugi | 武蔵小杉 | むさしこすぎ | JR East: Nambu >Kawasaki >Tachikawa JR East: Shōnan-Shinjuku Line >Ōfuna JR East: Yokosuka >Kurihama Tōkyū: Meguro* >Meguro >Hiyoshi Tōkyū: Tōyoko >Shibuya >Yokohama | Kawasaki-shi | |
| Mapion | 23.0 | Nishi-Ōi | 西大井 | にしおおい | JR East: Yokosuka >Tōkyō | Tōkyō : Shinagawa-ku | Tōkyō |
| Mapion | 25.5 | Ōsaki | 大崎 | おおさき | JR East: Saikyō >Shinjuku (-Kawagoe) JR East: Shōnan-Shinjuku Line >Ōmiya JR East: Yamanote >Shinagawa - Ueno >Ikebukuro - Ueno TWR: Rinkai >Shin-Kiba |