Are there any restriction dates for Caribbean Cove? Caribbean Cove is open throughout they year in line with our standard SEA LIFE Weymouth operating calendar. For full opening times please visit here. Related articles Do you still have Adventure Island with the rides? What is Caribbean Cove? I have booked my tickets online, but not received an e-mail confirmation, what do I do? What is the Basic Saver Package? When is SEA LIFE Weymouth open?