Due to their larger size, Goldendoodles often require adequate space to move around and play. They benefit from regular exercise and mental stimulation to keep them happy and healthy. Owners of Goldendoodles big can expect to provide ample opportunities for physical activity, such as walks, runs, or playtime in a spacious backyard. Their size also means they may need a diet tailored to their energy levels and nutritional needs to maintain a healthy weight and overall well-being.