You can easily go around Redondo Beach by walking, biking, or renting a car. The estimated travel time is about 20-30 minutes from Spring Street, Los Angeles. Rental cars may cost around $30-$40 per day. For those who don't want to drive, public transportation options include buses and trains.
If you have more time, you can include other activities such as a visit to Hermosa Beach or the Redondo Beach Dog Park. You can also subtract some of the activities mentioned if you have less time. Don't forget to bring sunscreen, a hat, and comfortable shoes as you'll be spending a lot of time outdoors.