Odaiba Seaside Park is a must-visit destination for a friends trip to Odaiba. This beautiful park offers stunning views of Tokyo Bay and the Rainbow Bridge. You can enjoy a leisurely stroll along the waterfront, have a picnic on the grassy areas, or rent bicycles to explore the park. There are also various sports facilities available, such as tennis courts and soccer fields, where you can engage in friendly competitions with your friends. Additionally, the park hosts seasonal events and festivals, so make sure to check the schedule before your visit.