2026 Genwadai Coastal Park Sea Pool: Full-Day Enjoyment Course

With the Genwadai Coastal Park Sea Pool in Otobe Town, open from Saturday, July 25 to Sunday, August 23, 2026, as the highlight, this is a full-day course. The swimming pool, which uses seawater enclosed by a breakwater, is a natural pool with calm waves where even small children can enjoy water play with peace of mind. Spend the morning relaxing in the nearby townscape and local spots, then head to the sea pool from midday. It's an outing that feels quintessentially like a Hokkaido summer vacation, playing in the summer sunlight and splashing water against a backdrop of the blue Sea of Japan until evening. With a spacious free parking lot for about 550 cars, it's also appealing for planning an easy day trip by car. Since the pool may close or shorten its hours depending on weather conditions, be sure to check the day's forecast before heading out.