I want to travel abroad that is not full of Koreans.
>> Correct!
OR: I'd like to travel abroad where there aren't many Koreans.
The only forein land that I've visited was Saipan.
>> The only foreign land that I've visited was Saipan. OR: Saipan was the only foreign land I'd visited.
But there were so many Koreans and our schedule was too heavy so it was hard to experience the exotic mood.
>> Correct!
OR: However, there were so many Koreans and our schedule was too full, making it difficult to experience the exotic mood.
I want traveling for new experiences, environment and rest but my.experience in Saipan was not that satisfying.
>> I enjoy traveling for new experiences, scenery, and relaxation, but my time in Saipan was not particularly enjoyable.
There were a variety of activities I can do there, but I didn't rest and it felt like I was in Korea.