Even tykes can get in on the action with the Loews Santa Monica Beach Hotel Fit for Fun Wellness Program. The resort offers activities—including playtime on Muscle Beach’s rings and a farmers’ market tour—that the whole clan can do together. (Prices very per activity ranging from $10 per person to $250 for a family of four. Rooms start at $310 per night;
santamonicaloewshotel.com)