Dogs are permitted on a leash in designated areas. Restrictions during peak season often apply. There is a large leash free area on the south west beach of Fiesta Island.
Horseback riding is permitted on Fiesta Island. The west side shore line is used as a staging area.
Fiesta Island is often used as an evacuation center for horses during emergencies such as fires.
Fishing is permitted in all areas of Mission Bay, except in areas designated for swimming, water skiing and personal water craft use (including take off and landing zones). Fishing is also not allowed from any bridge.
"Walking" is permitted throughout the park.
It isn't mountain biking but there are miles of paved walks that are free of motor vehicle traffic.