▁Ser end ip ity ▁Beach , ▁Camb odia . ▁▁ 9 . ▁  ▁    ▁H ain a , ▁Domin ican ▁Republic . ▁▁ 1 0 .   ▁San ▁Clement e ▁Pier , ▁California , ▁USA . ▁ ▁C lean est ▁be aches ▁▁ ▁According ▁to ▁N gu yen ▁( 2 0 1 9 ), ▁there ▁are ▁still ▁some ▁clean ▁be aches ▁around ▁the ▁world . ▁To ▁find ▁out ▁if ▁a ▁beach ▁is ▁clean ▁or ▁not ▁is ▁to ▁look ▁for ▁a ▁blue ▁flag . ▁The ▁Blue ▁Flag ▁is ▁the ▁world ’ s ▁most ▁recognized ▁volunt ary ▁e co - labels ▁awarded ▁to ▁be aches , ▁mar inas , ▁and ▁sust ain able ▁bo ating ▁tour ism ▁operators . ▁The ▁blue ▁flag ▁shows ▁when ▁a ▁beach ▁has ▁high ▁environmental ▁and ▁quality ▁standards . ▁The ▁six ▁the ▁clean est ▁Blue ▁Flag ▁awarded ▁be aches ▁are :{ ▁▁ ▁" type ": ▁" Feature Collection ", ▁▁ ▁" features ": ▁[ ▁▁▁▁ ▁{ ▁▁▁▁▁▁ ▁" type ": ▁" Feature ", ▁▁▁▁▁▁ ▁" properties ": ▁{}, ▁▁▁▁▁▁ ▁" geometry ": ▁{ ▁▁▁▁▁▁▁▁ ▁" type ": ▁" Point ", ▁▁▁▁▁▁▁▁ ▁" co ordinates ": ▁[ ▁▁▁▁▁▁▁▁▁▁ ▁- 9 6 . 5 6 4 8 4 6 0 3 8 8 1 8 3 6 , ▁▁▁▁▁▁▁▁▁▁▁ 5 0 . 7 0 8 5 2 5 6 9 3 6 8 9 2 7 5 ▁▁▁▁▁▁▁▁ ▁] ▁▁▁▁▁▁ ▁} ▁▁▁▁ ▁}, ▁▁▁▁ ▁{ ▁▁▁▁▁▁ ▁" type ": ▁" Feature ", ▁▁▁▁▁▁ ▁" properties ": ▁{}, ▁▁▁▁▁▁ ▁" geometry ": ▁{