One Piece Big Wash Island Adventure

'''One Piece BIG WASH Island Adventure! in Aqua World Oarai''' is a One Piece-themed aquarium exhibit at the Aqua World Ibaraki Oarai Aquarium. The exhibit ran from December 11, 2021 to March 31, 2022.

The Straw Hat Pirates sail to BIG WASH Island (BIG WASH島) to meet the citizens and creatures that live there. They are amazed by the variety of creatures.

Overview
Admission costs ¥2,000 for adults, ¥900 for students, ¥300 for children over three years of age, and free for children under three. The exhibit is made up of four main components.

Let's Learn with Luffy & Jinbei! The Creatures of BIG WASH Island
In Let's Learn with Luffy & Jinbei! The Creatures of BIG WASH Island (ルフィ＆ジンベエと学ぼう！～BIG WASH島のいきものたち～), Jinbe teaches Luffy and the others about different aquatic species. Aquarium visitors can listen to Jinbe answer Luffy's questions via audio commentary.

Chopper's Ocean Live: Bring Back the Energy of BIG WASH Island!
Chopper's Ocean Live: Bring Back the Energy of BIG WASH Island! (チョッパーのオーシャンライブ～BIG WASH島の元気を取り戻せ！～) is an animal performance featuring Tony Tony Chopper. Chopper is looking forward to the performance by the sea lions and dolphins of BIG WASH Island, but trouble arises at the Ocean Theater, he joins in to help.

Find the "Straw Hat Pirates"! Digital Stamp Rally
Find the "Straw Hat Pirates"! Digital Stamp Rally (〝麦わらの一味〟を探せ！デジタルスタンプラリー) is a digital stamp rally in which aquarium visitors find QR codes around the exhibit and scan them with their smartphones or tablets to access special Straw Hat Pirates-themed photograph filters. Finding all of them rewards participants with a special image.

Let's Become a Member of the "Straw Hat Pirates"! ONE PIECE Digital Photo Spot!
Let's Become a Member of the "Straw Hat Pirates"! ~ONE PIECE Digital Photo Spot~! (〝麦わらの一味〟になろう！～ONE PIECEデジタルフォトスポット～) in an extended reality (XR) experience that lets aquarium visitors take a photograph with the Straw Hat Pirates in front of a live, real-world background.

Big Wash Island Limited Edition Gourmet
The Big Wash Island Adventure exhibit offered commemorative food items, referred to as BIG WASH Island Limited Edition Gourmet (BIG WASH島限定グルメ).
 * BIG WASH Island Special Fry Set (BIG WASH島特製フライセット)
 * Price: ¥700 (tax included)
 * A set of skin-on french fries, shark fries, and a croquette branded with the Straw Hat Pirates' jolly roger.
 * BIG WASH Island Specialty! Shark Manju (BIG WASH島名物!!サメまんじゅう)
 * Price: ¥550 (tax included)
 * Chinese buns made with shark meat. They are described as a famous dish from BIG WASH Island, and they are branded with the exhibit's logo.

Drinks

 * Ocean Drink with Powerful Extract (パワフルエキス入りオーシャンドリンク)
 * Price: ¥550 (tax included)
 * An orange and Taiwanese lemon-flavored drink with a nata de coco texture. It is inspired by the “powerful extract” from Ocean Live.
 * Who Will Come Out! "Straw Hat Pirates" Cocoa (～誰が出るかな！～〝麦わらの一味〟ココア)
 * Price: ¥450 (tax included)
 * Hot cocoa with latte art of the event's original illustrations. Each latte art has a different flavor.

Merchandise

 * Muffler towel
 * Price: ¥1,700 (tax included)
 * An approximately 110 cm x 20 cm towel that is used during Chopper's Ocean Live.
 * Tote bag
 * Price: ¥2,420 (tax included)
 * A 100% cotton tote bag with a ring for a key holder and an inside pocket.
 * Clear file
 * Price: ¥385 (tax included)
 * An A4-sized vertical clear file.
 * Notepad
 * Price: ¥352 (tax included)
 * An A6-sized, 60-sheet notepad
 * Ring notebook
 * Price: ¥550 (tax included)
 * A B6-sized, 90-page ring notebook.
 * Slider pouch
 * Price: ¥660 (tax included)
 * A 20 cm x 14 cm slider pouch that can serve as a face mask case.
 * Can magnet
 * Price: ¥495 (tax included)
 * A 5.5 cm x 7.9 cm magnet
 * Trading can badge
 * Price: ¥440 each (tax included)
 * Blind-bag can badges featuring each of the ten Straw Hat Pirates alongside different animals.
 * Clear multi-case
 * Price: ¥825 each (tax included)
 * A clear case that comes in ten varieties, with one for each member of the Straw Hat Pirates.
 * Clear tumbler
 * Price: ¥2,200 (tax included)
 * A 450mL tumbler cup with a heat resistance of 70°C.
 * Leather coaster keychain
 * Price: ¥990 each (tax included)
 * Keychains that can be used as coasters. There are ten varieties with one for each member of the Straw Hat Pirates. They have an approximate diameter of 9 cm.
 * Can drop (soda flavor)
 * Price: ¥540 (tax included)
 * Soda-flavored gummy candies.
 * Die-cut stickers
 * Price: ¥440 each (tax included)
 * Stickers that come in ten varieties with one for each member of the Straw Hat Pirates.
 * Trading medals
 * Price: ¥900 each (tax included)
 * Trading medals with an approximate diameter of 3.8 cm. There are ten varieties with one for each member of the Straw Hat Pirates.
 * Trading acrylic stand
 * Price: ¥990 each (tax included)
 * Trading acrylic stands that come in ten varieties, with one for each member of the Straw Hat Pirates.