Dedicate the fifth day to exploring Toronto Island Park, a vast green space with stunning views of the city skyline. Take a bike ride or walk along the trails that wind through the park, passing by beautiful gardens and picnic areas. Visit the Franklin Children's Garden, a whimsical space designed for kids to explore and learn about nature. Enjoy a picnic lunch in one of the park's designated picnic areas or grab a bite to eat at one of the island's cafes. End the day by relaxing on one of the park's beaches and watching the sunset.