About Seoul
Are there any beaches in Seoul?
I asked my friends who are frequently visiting this city,and they told me there is no there. I was told if I am going to enjoy beaches in Korea, Incheon,Busan and Jeju Island are best choices.
However when I asked the same questions to my Korean friends. They assured there are some in Seoul.
I am totally confused

Question

About Seoul
Are there any beaches in Seoul? 
I asked my friends who are frequently visiting this city,and they told me there is no there. I was told if I am going to enjoy beaches in Korea, Incheon,Busan and Jeju Island are best choices.
However when I asked the same questions to my Korean friends. They assured there are some in Seoul. 
I am totally confused

Answer

There aren't many sandy beaches in Seoul, but indeed, there are some beaches.

한강 모래 찜질 sand-bathing by the Han river 
http://www.youtube.com/watch?v=gVTXS5uJ1vM

Sandy beaches along the Han river:
http://tvpot.daum.net/v/w0DYGd1FDXU$

Gangseo Marsh Ecological Park (강서습지생태공원) http://www.sctoday.co.kr/news/articleView.html?idxno=12338