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Show 14 Holidays
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Nature
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Ocean
Ocean & Marine Holidays
14 Holidays Found
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February
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2
Mon
Day
February 2
National River Day
International
March
Back to Top
1
Sun
Day
March 1
World Seagrass Day
International
May
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10
Sun
Day
May 10
Mother Ocean Day
United States
21
Thu
Day
May 21
World Fish Migration Day
International
June
Back to Top
1
Mon
Day
June 1
World Reef Awareness Day
International
Month
June 1-30
National Rivers Month
United States
Month
June 1-30
National Oceans Month
United States
8
Mon
Day
June 8
World Oceans Day
International
21
Sun
Day
June 21
National Seashell Day
United States
Day
June 21
World Hydrography Day
United States
July
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20
Mon
Day
July 20
Marine Day in Japan
Japan
August
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7
Fri
Day
August 7
National Lighthouse Day
United States
September
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19
Sat
Day
September 19
International Coastal Cleanup Day
International
24
Thu
Day
September 24
World Maritime Day
International
