(Vietkings) World record belongs to Praia do Cassino Beach in Brazil. It is 157 miles long and attracts its visitors with the white sand and warm temperatures. Sunbathing, beach volleyball or simply swimming is truly enjoyable there. Surfing, however, is number one activity at the Praia do Cassino.
source: skycrappercity.com
Praia do Cassino ( Casino Beach) is the southernmost beach of the Brazillian coast, on the South Alantic Ocean, in the state of Rio Grande Do Sul. It is thought to be the longest uninterrupted sandy seashore in the world, with various sources measuring it from 212 kilometres (132 mi) to 254 kilometres (158 mi),stretching from the Molhes (breakwaters) at the entrance of the Rio Grande seaport to the mouth of the Chui Stream, on the border with Uruguay.
In 1966, 27 sounding rockets were launched from Praia do Cassino
Source: huffingtonpost
VIETNAM BOOK OF RECORDS- VIETKINGS