Beach & Entry
Surface, sand, water entry and bottom
Surface Type
Main surface type
sand
Sand Color
Main sand colour
grey
Water Entry
How steep the drop-off is
gentle
Shallow Distance
Metres to waist-deep water
10 m
Bottom Type
Main bottom type
sand
Water Shoes
Whether special footwear is needed
not needed
Beach Length
Beach length in metres
300 m
Frequently asked questions
Jonanjima Seaside Park: what is the water like at this beach?
At this beach, water colour — grey, clarity murky, average temperature +22.0°C, warms up to +26.0°C in the warmest season. Check the exact temperature by month in the chart section.
Jonanjima Seaside Park: what are the waves like and is it safe to swim?
Waves at this beach are — calm. Average wave height — 0.2 m. Calm water is great for families with children and those who prefer not to deal with strong swell.
Jonanjima Seaside Park: what is the water entry and bottom like?
Water entry is — gentle. The shallow area extends for 10 metres from the shore. Bottom — sand. Special shoes are not required — the water entry is comfortable. The gentle slope is safe for children and inexperienced swimmers.
Jonanjima Seaside Park: what kind of sand and surface does the beach have?
Beach surface — sand. Sand colour — grey. Texture — medium. Beach length — 300 metres.
Jonanjima Seaside Park: when is the swimming season?
The swimming season starts in June. It ends in September. The best month for a holiday is October. This is when the water is warmest and the weather is most comfortable.
Jonanjima Seaside Park: is it safe to swim?
Water quality is rated as poor. There are no rip currents — swimming is safe. Jellyfish risk — low. Always watch for warning signs and follow lifeguards instructions.
Jonanjima Seaside Park: which dangerous creatures live in the water?
The water contains: jellyfish (rare). We recommend wearing protective footwear, not touching marine life and taking care when entering the water.
Jonanjima Seaside Park: what infrastructure is available on the beach?
The beach offers: showers, toilets, changing rooms, parking, Wi-Fi, kids playground, sports ground. All amenities are listed in the "Infrastructure" section above.
Jonanjima Seaside Park: are there lifeguards and a first aid station?
There are no lifeguards on the beach — be especially careful when swimming. A first aid station is available.
Jonanjima Seaside Park: where can I eat near the beach?
Popular places nearby: Park Cafe, BBQ Area. Cuisines available: Japanese, Barbecue. See the "Infrastructure" section for details.
Jonanjima Seaside Park: what should I bring to the beach?
We recommend bringing: SPF50+ cream, Water, Food, Towel, Flip-flops, Cash, Camera.
Jonanjima Seaside Park: when is the best time to swim?
Best time is late afternoon and sunset, when you can watch planes and the beautiful sky.
Jonanjima Seaside Park: what are the rules and restrictions on the beach?
Swimming is prohibited. Keep the park clean.
Jonanjima Seaside Park: who is this beach best for?
Ideal for families with children and aviation enthusiasts wanting to watch planes. Suitable for picnics and nature relaxation. Not suitable for those wanting to swim in clean water.
Jonanjima Seaside Park: what makes this beach unique?
Jonanjima Seaside Park is one of the best places in Tokyo to watch planes taking off and landing at Haneda Airport. The wooden boardwalk offers an excellent view of the sunset.
Jonanjima Seaside Park: what are the pros and cons of the beach?
Pros: Plane views, Picnics and barbecue, Free parking, Well-developed infrastructure, Suitable for families, Close to Tokyo, Sunsets. Cons: Swimming prohibited, Murky water, Crowded at weekends, Noisy from planes, Limited space.
Jonanjima Seaside Park: what is near the beach?
Nearby you can visit: Haneda Airport, Tokyo Bay, Kasai Rinkai Park. Detailed descriptions in the "Nearby" section above.
Jonanjima Seaside Park: how do I get to the city of Tokyo?
The beach is located near the city of Tokyo. Full information about the city — hotels, restaurants, attractions, transport — is available on the
city page for Tokyo.