The Marker Key West Harbor Resort is a waterfront resort that offers entertainment options for children. The resort has a dedicated kids' club that organizes supervised activities such as beach games, arts and crafts, and movie nights. There is also a children's pool where kids can swim and play. The resort's location on the waterfront allows families to enjoy various water activities, such as fishing, boating, and jet skiing. Additionally, the resort is just a short distance away from popular family attractions like the Key West Shipwreck Museum and the Key West Lighthouse.