Key:subsea

subsea=* is in use to map coral reefs and similar objects.

Known values

• subsea=coral_reef
• subsea=reef - unspecific/unknown type reef
• subsea=channel - navigational channels, passages, straits etc
• subsea=barrier_reef
• subsea=bank - shallow area that is deeper than a reef and generally not a problem for navigation.

Alternative tags

• natural=reef - more commonly used
• natural=shoal - in use

Possible tagging mistakes

sub_sea=*

More details at taginfo

• sub_sea=*

If you know places with this tag, verify if it could be tagged with another tag.
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