Your interests and 'time constraints' will undoubtedly change once in the Bahamas, mon.
Suggest you arrive/enter there by at least 1 December to avoid the 'equinoctal gales, "northers", etc'. and then go as far 'south' to the Southern Exumas, Raggeds, Acklins, Turks & Caicos, etc. and then begin start traveling 'north' as the 'season' and weather permit/develop to travel 'back up' to Eluthera, Exumas, Abacos, etc. Every year is different with predominant winds and temps ..... just be prepared to 'go with the flow', rather than against it 'being on a schedule' - once there be VERY flexible.
700 islands and definitely not enough time to see and enjoy it all in one single 'winter'. Take your time and enjoy.
