When is Lobster Season in Belize? Posted on Wednesday, June 14, 2017 Share: June is an important month in Belize for festivals. It also marks the start of the lobster harvesting season which happens each year on June 15th. The harvesting of the Caribbean Spiny Lobster is only allowed from June 15 to February 14. Lobster FestplacenciaCaye CaulkerSan PedroBelizeFestivalfishing Read more about When is Lobster Season in Belize?