The supply of vacation homes in Harbour island is limited so renters should take this in account when booking a house for a future dream vacation. Premium periods are often booked sometimes years in advance. Seasonality dictates how much in advance people are booking, Thanksgiving, Christmas and new years are usually very busy. From November to May it is considered a high Season with different peaks and lows.

Clients tend to book well in advance often months and to pay the highest rates. Months of June, July and August are mid-season, people book weeks in advance. September to mid Novembre is the low season and last minute bookings can be made.