Tujuan dari penelitian ini adalah untuk menggambarkan hubungan teman sebaya dan permainan tradisional dengan kemampuan sosial dan emosional anak usia dini. Sampel penelitian dari 30 anak yang terdiri dari 10 laki-laki dan 20 perempuan. Sampel penelitian adalah anak-anak berusia 5-6 tahun di wilayah pesisir selatan Kulon Progo. Pengumpulan data dikumpulkan dengan wawancara, observasi, dan dokumentasi. Analisis validitas data dilakukan dengan triangulasi sumber dan teknik. Hasil penelitian menunjukkan bahwa keterampilan sosial dan emosional anak usia dini di pantai selatan Kulon Progo menunjukkan tingkat pencapaian perkembangan yang cukup baik. Hubungan teman sebaya yang positif akan meningkatkan prestasi perkembangan sosial dan emosional anak-anak. Peran orang tua dan guru penting dalam perkembangan sosial anak-anak dan perlu direalisasikan dan dipelajari secara mendalam.

Today, child sexual abuse was increasingly prevalent. In fact, these actions of sexual abuse are carried out by those closest people, including family. The most of people community considers that sexual education is a taboo thing to be taught to young children. The effect of the lack of public awareness about the importance of sexual education in early years can cause of sexual deviations behavior. This study aimed to determine the implementation of sex education in early childhood in coastal areas. The study uses qualitative research methods with a phenomenological approach. Research subjects are parents in coastal areas. The results showed that early childhood children in the coastal areas did not get sexual education in early years, parents considered that children were not yet time to be taught matters related to reproductive health, and the assumption believe that sex education would be taught by teachers in school.