The Caribbean - Best Airlines and Routes

We need to visit the following destinations in the Caribbean in no particular order, but I am thinking we may be starting in SDQ. SDQ, KIN, POS, AUA, STT, BGI. What airlines (however small and unknown) would you recommend? 2 days in POS and SDQ and a day at each of the rest is all we need.
LIAT and Carribbean have come up with a few but not the whole list. Any help would be appreciated.

If this is holiday travel, I would skip KIN and POS. If you really need to see these two countries, visit MBJ and TAB instead.

If this is business travel, that's another story. I've done similar trips myself.

I might try the following starting from AUA:
AUA-SDQ on Insel Air (direct flight)
SDQ-SJU-STT on AA
STT-MIA-KIN on AA
KIN-BGI on BW
BGI-POS on BA, BW or LI
POS-SJO via PTY on Copa
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13F

Thank You 13 F. This is business travel. We need to visit several of our customers sites, 3 being in Trinidad. Some of the other locations we only need be on the island 4 hours or so. I try out your tips on routing. Thanks.

Thank You 13 F. This is business travel. We need to visit several of our customers sites, 3 being in Trinidad. Some of the other locations we only need be on the island 4 hours or so. I try out your tips on routing. Thanks.Once you get your trip set, let me know via PM. There may be an opportunity for you to buy me a cerveza in KIN, POS or AUA.;)
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13F