if you bring your parent to visit back this island, i think your parent will surprised how the vietnamese village still standing there, the quan an tu monastery and also vietnamese temple built in 1984 stil exist.
galang now is part of batam island bcoz there is bridge connecting from batam to galang island. all together there are 6 bridges connecting batam to galang island via small island in the between.
to reach batam itself it is only take you 1/2 hour comfortable ferry/boat drive from singapore and from batam island around 1 hour drive (70 km) to galang island.
there are 3300 singaporean tourist visit batam island everyday. how big is batam island? it's about 3/4 of singapore and galang island + galang baru island about 1/4 of batam.
all this connected island they call it barelang (batam-rempang-galang).
it's modern, industrial and touristic island now.
find this picture: