Yes. ESTA can be used for tourism, ESTA business travel, and family visits.
Family visits are generally included under tourism purposes, and eligible travelers may use ESTA when visiting the United States for tourism or business for 90 days or less.
However, ESTA cannot be used for study, employment, or long-term stay.
If you are planning a trip to the United States, please check your travel purpose and length of stay, and apply for ESTA before departure.