The actress wore cut-off jeans and a multi-colored bikini top as she walked out to the pool with her seven-year-old, who was wrapped in a towel.
Earlier in the week, Holmes wore a hot pink bikini as she lounged by the water in Florida. She recently celebrated her 35th birthday with friends in New York City.
The star's ex-husband Tom Cruise recently reached a settlement over his $50 million defamation lawsuit against the magazines In Touch and Life & Style.
He sued Bauer Media Group in November over the magazines' 2012 suggestions that he had "abandoned" his daughter Suri following his divorce with Holmes.
The terms of the settlement are confidential.