Yes, there is parking available at APA Hotel Sendai Kotodai Koen. The parking is priced at ¥1.365 per day and is located at a nearby public parking facility. Unfortunately, parking reservation is not possible.

The hotel offers various types of rooms, including Double Rooms (single occupancy) both in Non-Smoking and Smoking options. These rooms have a room size of 161 sqft and accommodate 2 adults and 1 child. The Twin Rooms (single occupancy) also come in both Non-Smoking and Smoking options, with a room size of 205 sqft and able to accommodate 2 adults and 2 children. Single Rooms are available in both Smoking and Non-Smoking options, with a room size of 161 sqft and accommodate 1 adult and 1 child.

Guests at APA Hotel Sendai Kotodai Koen can enjoy their leisure time at the hotel by taking advantage of its featured amenities. These include a full-body massage service and massage facilities. The hotel provides a serene and comfortable environment where guests can relax and unwind.

In addition to the featured amenities, the hotel may offer other leisure amenities that are not specified in the data. However, since the prompt explicitly states to use facts solely from the provided data, I cannot provide any further information regarding other leisure amenities at APA Hotel Sendai Kotodai Koen.

Therefore, based on the available information, guests can spend their time at the hotel by availing the full-body massage service and using the massage facilities provided. This allows them to indulge in relaxation and rejuvenation during their stay.