Jonanjima Seaside Park (Ota Ward, Tokyo)

Overview (history, characteristics, attractions)

Jonanjima Seaside Park is a seaside park developed on an artificial island (reclaimed land) along Tokyo Bay in Ota Ward, Tokyo. Due to its proximity to Haneda Airport, it is popular as a "park where you can see planes up close as they land and take off, and is loved by families, photographers, and people with pets. With a large grassy plaza, sandy walking paths, a barbecue area, a dog run, and an observation space, it is a relaxing place where you can feel the sea and sky in the middle of the city.

Highlights

• Plane observation spot: Located directly under the route of Haneda Airport, you can see large aircraft flying low overhead up close. This is a great spot for taking photos and fulfilling children's wishes to "see an airplane up close."
• Observation deck and lawn area with a great view: There is a large lawn where you can have a picnic or relax, and you can enjoy panoramic views of the sea and sky.
• barbecue areaThere are barbecue facilities available by reservation, and equipment is available for rent and there are areas with fire pits (advance reservations and terms of use apply).
• dog run: There is a designated area for pet owners where they can let their dogs play freely (rules must be strictly observed).
• Walking on the sandy beach and sea breeze: There is a short sandy beach and a seaside promenade where you can stroll and feel the sea breeze (swimming is prohibited).
• Bird watching and nature observationDepending on the season, migratory birds can be seen here, making it a popular birdwatching spot.

Access (nearest station, transportation, etc.)

• Train + Bus: The most common way to access the area from the nearest train station is by bus or taxi. Take a bus from Kamata Station (JR/Keikyu), Omori Station, or the Anamori Inari/Tenkubashi area towards Jonanjima (Jonanjima 4-chome). Please check the route and timetable in advance.
• car: Accessible from the Metropolitan Expressway and public roads (such as National Route 357). There is a parking lot within the park, but it gets crowded on weekends and holidays, so we recommend arriving early.
• Bicycle/walk: You can also access the park by bicycle from the surrounding area. There are cycle racks and bicycle parking spaces within the park (limited number of bicycles).
• From the airport: It is a short taxi or bus ride from Haneda Airport, making it an easy location to combine with sightseeing around the airport.

*Please note that routes, times, parking fees and number of spaces, and how to reserve the barbecue area may change, so please check the latest information on the official Ota City or park websites before visiting.

Estimated stay (estimated time required)

• Short plane watching or walk: 30 minutes to 1 hour
• Relaxed picnic and photography: 1-2 hours
• If using the barbecue or dog run: Half a day to a full day (depending on the reservation time)

Nearby spots

• Haneda Airport (observation deck/shopping)
• Oi Wharf and waterfront area (Oi Wharf Central Seaside Park, etc.)
• Anamori Inari Shrine (a historical spot near Haneda Airport)
• Tennozu Isle (a canalside cafe and art spot)
• Heiwajima (leisure facilities and markets)

Things to be aware of (crowds, manners, seasonal precautions, etc.)

• congestion: The number of visitors increases on weekends, public holidays, consecutive holidays, and early morning and evening flight times. Parking lots and barbecue facilities may fill up quickly, so please allow yourself plenty of time, especially if you are going by car.
• Barbecue and camping use: Reservations are required for the barbecue area in advance, and open fires are prohibited. Please take your trash with you or follow the designated sorting rules. Please check with the administrator (Ota Ward) for the latest usage rules.
• Pet etiquette：Please keep your dog on a leash outside the dog run. Please be sure to take any waste home with you and be considerate of others so as not to cause any inconvenience.
• No swimming/Safety: Swimming is not permitted on the sandy beaches near the sea. If you are traveling with small children, please be careful of falling and tidal currents at the beach or near the water.
• Seasonal precautionsIn winter, strong winds blow and the temperature feels lower. In summer, you need to take measures against direct sunlight and heatstroke, and use insect repellent.
• Filming and drones：Drone flying is strictly regulated near the airport. The use of drones and wireless devices may be prohibited by law and regulations, so please do not fly under any circumstances.
• Garbage and Environmental Conservation: Parks are public spaces. Please dispose of your trash in the designated manner and be considerate of the environment and other visitors.

Jonanjima Seaside Park is a rare spot in the city where you can feel close to the sea and airplanes. Please check the official information before visiting, and be sure to observe proper etiquette to ensure you have a pleasant experience.