Juha Nurminen is married to non-fiction author Marjo T. Nurminen. The couple has two children. Juha also has three adult children from his previous marriage. All of Juha’s children have maritime hobbies: four of them dive, and two are boaters. Together with children and grandchildren, the family spends their free time together in the marine environment of the Pellinki archipelago, enjoying the family-owned fisherman’s farm.