There are several places in Tallinn where you can swim:1. The Kalev Spa Water Park offers a variety of pools, slides, and saunas for all ages.2. The Pirita Beach is a popular spot for swimming in the summer months. It has a sandy beach and clear water.3. The Kehra Swimming Pool is an indoor swimming facility with multiple pools for lap swimming, water aerobics, and relaxation.4. The Reval Sport Fitness and Sports Club has a swimming pool and offers swimming lessons and classes.5. The Lauluvälja Lake is a natural swimming spot located just outside of Tallinn. It is a peaceful and scenic location for a swim.These are just a few options for swimming in Tallinn. Make sure to check the opening hours and any entry fees before visiting.