Sustainability illustrates something with the tendency to maintain one's existing quality. To guarantee the sustainability of the world, nature, stays in a good condition, the attitude of the people of earth is very related. To achieve the sustainability of the earth and nation, positive and active engagement from the smallest community unit, which is family, is very important. Ideally, families are the first teachers for children. The family or parents are their role models. They give the greatest impact for the growth of personality, attitude, value, characteristic and skills for the young generation. The family unit are the main source in understanding and giving understandings one's meaning and philosophy. Then, this concept paper will highlight the concept of sustainability in general and the sustainability concept from the Islamic perspective as well as the relationship between the family unit behaviour in guaranteeing a life where a family with harmony and sustainability could give an impact to the universal well-being.