updated 07/20/2012 AT 11:00 AM ET
•originally published 07/20/2012 AT 3:15 PM ET
Baby Samuel is already making quite the splash this summer.
Photographs from earlier this week show Affleck, 39, on break from filming Runner, Runner with Justin Timberlake, cooling off in the waves as Garner, 40, hangs on tight to her baby boy.
Garner “is an incredible, spectacular, world-class mom,” Affleck said last May.