Groupon Getaways offers 2-nights stays at the Hawks Cay Resort in Duck Key, FL, in an island-view double-queen room with prices starting from $398. (We found this rate on April 21.) That's $199 per night and the lowest price we could find by $80. This hotel has an Expedia rating of 90% and received the TripAdvisor Certificate of Excellence 2014. Book this travel deal by April 27 for stays through April 30.