When is the 'Summer Splash' event held?

It is held from July 1, 2026 (Wednesday) to August 31, 2026 (Monday).

What is the participation fee for 'Summer Splash'?

Participation in the event itself is free, but a separate admission fee for Kamo River Sea World is required.

What benefits are included when staying at the official hotel?

Benefits include free admission, use of the large bath after check-out, use of the garden pool, free bath towels and face towels, a gift of an original poncho, and participation in a fan-making workshop.

When are the upcoming announcements scheduled?

The first announcement is on June 12, the second on June 17, the third on June 19, and the fourth on June 24.

Is there a possibility that the event will be canceled?

The event may be canceled due to animal conditions or severe weather such as typhoons.

Kamogawa Sea World Announces Early Start for 'Summer Splash' Drenching Festival

Published Jun 9, 2026 2:00 AM ・ Updated Jun 14, 2026 8:33 AM ・ 3 min read ・ Source: PR TIMES

Kamogawa Sea World will host its annual 'Summer Splash' killer whale performance from July 1, 2026. The event, featuring massive water splashes caused by the whales, is starting earlier this year to combat the summer heat. Updates will be released in four stages on the official website, and exclusive benefits are available for guests at the official hotel.

Kamogawa Sea World, a core facility operated by Granvista Hotels & Resorts Co., Ltd., will host its summer "drenching festival," the killer whale "Summer Splash," starting Wednesday, July 1, 2026.

Featuring the "tail burst," where killer whales weighing over two tons powerfully slap their massive fins—wider than 1.5 meters—to shower the stadium with seawater, the popular "Summer Splash" performance is launching early this year in anticipation of the intense summer heat. Experience the power of the killer whales from head to toe.

Throughout the month leading up to the start of "Summer Splash," the official website will sequentially release summer updates in four stages.

About the Summer Splash Celebrated on social media as a "must-experience" event, "Summer Splash" is a summer staple where killer whales drench guests with powerful water sprays. The event will be held at Ocean Stadium from July 1 to August 31, 2026. Participation is free (requires separate museum admission).

Announcement Schedule for Summer Additions Updates are scheduled for June 12 (Fri), June 17 (Wed), June 19 (Fri), and June 24 (Wed).

Official Hotel Benefits Guests staying at the official hotel starting Tuesday, July 7, 2026, will enjoy benefits including free museum admission, use of the large public bath after checkout (14:00–18:00), pool access, and a complimentary poncho.

FACT BOX

Source: PR TIMES
Category: Event

Kamogawa Sea World Announces Early Start for 'Summer Splash' Drenching Festival

⚡ Key Points

Announcement Schedule for Summer Additions Updates are scheduled for June 12 (Fri), June 17 (Wed), June 19 (Fri), and June 24 (Wed).

Official Hotel Benefits Guests staying at the official hotel starting Tuesday, July 7, 2026, will enjoy benefits including free museum admission, use of the large public bath after checkout (14:00–18:00), pool access, and a complimentary poncho.

FACT BOX

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