|Manufacturer||Senyo Kogyo Co., Ltd.|
|Riders per train||26|
|Propulsion||Chain lift hill|
Dolphin Coaster is a Senyo Kogyo Sit-Down roller coaster located in Wakayama Adventure World in Shirahama, Nishimuro, Wakayama, Japan. The ride originally opened as "Orca Coaster" and had orca themed trains. In 2007, the ride was rethemed and renamed to "Dolphin Coaster".