This article discusses 19 water-rich foods that will help you stay hydrated:
www.healthline.com/nutrition/19-hydrating-foods
The list includes: watermelon, strawberries, cantaloupe, peaches, oranges, skim milk, cucumber, lettuce, soups and broths, zucchini, celery, plain yogurt, tomatoes, bell peppers, cauliflower, cabbage, grapefruit, coconut water, and cottage cheese.