Pour the water into a large glass pitcher, add the agave and mix well.
Add the lemon juice, mix well.
Pour in sliced strawberries and sliced lemons, stir, cover and refrigerate overnight.
The next day, pour lemonade into a serving pitcher using a fine strainer.
Serve with sliced strawberries and frozen blueberries.
To make this an adult drink add the spirit of your choice.
Have fun and enjoy!