Discover the best snorkeling spots along Korea’s East Sea, from Goseong’s Gonghyeonjin and Neungpadae to Yangyang Hajodae, Samcheok Janghohang, Gala, Bihohang, and Uljin Heart Beach. Explore crystal-clear waters, vibrant marine life, and peaceful hidden beaches perfect for your next summer trip.
🌟 Why Snorkeling in the East Sea is Special
When thinking about snorkeling in Korea, many travelers first consider Jeju Island. But the East Sea (Donghae), especially regions like Goseong, Yangyang, Samcheok, and Uljin, offers equally breathtaking underwater experiences.
With crystal-clear visibility, rich marine biodiversity, and less crowded beaches, the East Sea is becoming a hotspot for snorkelers who want both adventure and tranquility.
Here are the 7 best snorkeling spots in Korea’s East Sea you shouldn’t miss.
🏖 Goseong Gonghyeonjin Beach – Wide Sandy Beach & Hidden Spot
Goseong is famous for its quieter atmosphere, and Gonghyeonjin Beach is a top recommendation:
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Spacious sandy beach, perfect for families
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Snorkeling point is located at the far end of the beach
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Clear turquoise water suitable for beginners
Even in peak season, it’s less crowded, making it a relaxing snorkeling destination.
🪨 Goseong Neungpadae – Snorkeling Among Unique Rock Formations
Neungpadae is known for its fascinating rock formations and calm snorkeling environment.
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Snorkeling spot is behind the rocks
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Easy access via steel stairs
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Depth ranges from 2–5m, beginner-friendly
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Popular among both snorkelers and scuba divers
🏄 Yangyang Hajodae – Surfing Paradise & Snorkeling Hotspot
Yangyang is Korea’s surfing hub, but Hajodae is also a must-visit for snorkeling.
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Extremely popular during summer (parking may be difficult)
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Rich underwater scenery with fish and seaweed
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Accessible from Hajodae Observatory
Both beginners and advanced snorkelers can enjoy this lively marine playground.
🐟 Samcheok Janghohang – The “Naples of Korea”
Nicknamed “Naples of Korea”, Janghohang is stunning both above and below the water.
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Famous for transparent kayaks and snorkeling experiences
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Main area gets overcrowded in peak season
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Recommended alternative spots: Yonghwa Breakwater, left & right side of Jangho Beach
🏝 Samcheok Galnam Beach – Best Visibility in the East Sea
Galnam Beach is known for its unparalleled underwater clarity:
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Two snorkeling areas: left side (when waves are calm) & right side (sheltered from waves)
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Surrounded by rocks, making conditions stable
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On clear days, you can even snorkel toward Wolmido Island
Note: During official swimming season, lifeguards may restrict access beyond the safety line.
🐠 Samcheok Bihohang – A Natural Swimming Pool
Bihohang is a lesser-known gem that resembles a natural swimming pool.
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Rectangular harbor structure with calm waters
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Plenty of fish and colorful sea plants near the tetrapods
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Quiet and uncrowded, perfect for a peaceful escape
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Downside: lacks proper facilities like showers or restrooms
💖 Uljin Heart Beach – Romantic & Scenic Snorkeling Spot
Finally, Heart Beach in Uljin is a romantic and scenic snorkeling destination.
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Beach shape looks like a heart from above
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Nearby attractions: Uljin Sky Rail & “Into the Storm” filming site
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Easy access with nearby parking
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Sandy seabed and clear visibility underwater
Perfect for couples and anyone looking for both beauty and adventure.
📌 Snorkeling Tips for the East Sea
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Always bring essential gear: mask, fins, life jacket.
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Check tide schedules (high/low tide changes visibility).
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Respect safety lines during peak season.
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Beginners should stick to shallow areas.
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Protect the environment – don’t leave trash behind.
✨ Conclusion
The East Sea is a snorkeler’s paradise filled with both well-known and hidden spots.
From Goseong’s tranquil Gonghyeonjin to Uljin’s romantic Heart Beach, each destination offers unique underwater scenery and memorable experiences.
Next time you plan a summer trip to Korea, consider these 7 snorkeling spots — you’ll discover crystal-clear waters, colorful marine life, and hidden coastal beauty.
