http://www.city.miyazu.kyoto.jp/www/info/detail.jsp?id=2527
http://marinetopia.jp/hotnews/bn2015/7-22.htm#
From 18th July to 30th August 2015, Amanohashidate beach(closer part from Amanohashidate station) is illuminated every night from 19:30 to 21:30.