Take the 100 bus. According to Baidu map, it is 5.3 kilometers from Xiamen University to Gulangyu Island, and it takes 44 minutes to get there by bus 100. The specific route is as follows:

1, get on the bus at Xiamen University (Nanputuo) Station first.

2. Secondly, take the bus 100.

Finally, get off at Haibin Building Station and walk there.