Datapoint San Andres Creole English/The voiced sibilant [z]
The phonemic status of /z/ is somewhat dubious. There are minimal pairs like zuon 'zone' - luon 'loan' where I would argue that zuon is a word which does not belong to the basilect.
Values 
[z] exists as a major allophone
- Example 10-297:
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briizbreeze, wind