Sea Day Festival Guide 

Cartoon beach with fish and beach umbrellas as background image of: Life in Japan 101 Sea Day

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Looking for ideas on how to celebrate Sea Day (海の日) in Japan? You’re in the right place! We’ve got you covered with the best beaches and water activities across the country to make the most of this unique summer holiday. Whether you’re into thrilling ocean adventures or simply want to relax by the shore and take in the scenery, there’s a perfect spot waiting for you. 

But first, what is Sea Day? 

In Japan, there’s a saying: “If a fish is kind to the water, the water will be kind to the fish” (井魚心あれば水心). It’s a simple yet profound proverb that teaches kindness to all, including the sea.  

As an island nation, Japan has long relied on its seas to provide abundant seafood, serve as trade routes, and foster resilience in the face of natural challenges. Sea Day (海の日) is a time to honor the ocean for the blessings it provides. 

Sea Day is a relatively new holiday, first celebrated in July 1996, but its origins go back much further. The holiday was initially designated as Marine Day in 1941 to commemorate the safe return of Emperor Meiji to Yokohama in 1876, after completing a tour of the Tohoku and Hokkaido regions aboard Japan’s oldest iron ship, the Meiji-maru. [1] Today, Sea Day is a celebration that acknowledges both the gifts it offers and the respect it deserves. 

When Is Sea Day Celebrated in Japan? 

Sea Day is celebrated on the third Monday of July each year, thanks to Japan’s Happy Monday system, which shifts certain public holidays to create 3-day weekends. Alongside Greenery Day and Mountain Day, Sea Day is one of three holidays dedicated to celebrating Japan’s stunning natural landscapes. [2]

What to do in Japan on Sea Day?  

To celebrate Sea Day, locals flock to some of Japan’s best beaches for sun, sand, and sea, while others explore aquariums or take part in various sea-related activities. As the first of many summer holidays, Sea Day provides the perfect opportunity for those with a typical five-day workweek to unwind and enjoy quality time with friends and family at nearby water attractions. Here are some top destinations in Japan where you can make the most of Sea Day. 

1. Emerald Beach for a serene beach day 

If you’re looking for a peaceful beach day to celebrate Sea Day, head to Emerald Beach in Okinawa. Renowned for its stunning beauty, the beach boasts soft, white sand and crystal-clear waters. Relax by setting up your mat to finish a book, take a nap, or simply enjoy the view. If you’re up for it, you can also take a refreshing dip in the inviting sea. 

2. Tsurigasaki Beach for fun surfing 

Known for its consistent waves, Tsurigasaki Beach in Chiba is a top spot for surfing, attracting both local and international surfers. It was selected as the venue for the first Olympic surfing competition during the Tokyo 2020 Games last 2021.  

Alongside the waves, you’ll find plenty of surf shops and cozy cafes nearby to unwind after a session in the water. Tsurigasaki Beach is easily accessible by train and is just a 30-minute walk from Torami Station on the JR Sotobo Line. 

3. Aragusuku Beach for snorkeling 

Located on Miyako Island in Okinawa, Aragusuku Beach is renowned for its crystal-clear waters and vibrant coral reefs. The relatively shallow waters make it an ideal spot for beginner snorkelers, offering a chance to explore abundant marine life. Keep an eye out for sea turtles and colorful fish as you drift through the tranquil waters! 

4. Go fishing at Ine Fishing Village 

If you’re looking for something beyond the beach, why not try fishing at the historic Ine Fishing Village? Once part of an ancient trade route, Ine is famous for its picturesque funaya, which are traditional boathouses that line the shore. You can even rent a funaya guesthouse to fully immerse yourself in the village’s charm. Take a boat tour to feed sea birds, enjoy fresh, local seafood, or try your hand at fishing yourself! 

5. Visit Osaka Aquarium Kaiyukan 

If you want to explore diverse sea species without venturing too far from the city, head to the Osaka Aquarium Kaiyukan. A favorite among both locals and tourists, this massive 8-floor aquarium offers a unique experience. Visitors begin on the top floor and descend through various levels, each showcasing different marine life, including the majestic whale sharks.  

It’s easily accessible from the city center, located just a short walk from Osakako Station on the Chuo Subway Line. 

REFERENCES 

1. Nippon.com. (n.d.). Marine Day. Retrieved from https://www.nippon.com/en/guide-to-japan/gu051002
2. Japan Guide. (n.d.). Marine Day in Japan. Retrieved from https://www.japan-guide.com/e/e2062.html
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