Don’t pack the kids’ swimsuits away just yet.

In balmy San Diego, the onset of fall and winter doesn’t mean the end of pool season—the pools are all heated anyway—but it does mean fewer crowds, both at hotels (which are now offering low-season rates) and family-friendly attractions such as Legoland, Sea World and the famed San Diego Zoo. Here are five sunny SoCal hotel pools that will dazzle the kids and also keep the grown-ups entertained.