Orlando — Tickets for the full-service single-day attraction that’s like a Caribbean vacation are on sale for up to half off. Reserve a spot now through midnight on November 24, 2023, paying half price. You’ll choose a date to visit Discovery Cove through year-end 2024. Black Friday, Baby! Food, beverages, snorkeling, flamingo-gawking and more are free. Extras such as daybed rentals, private cabanas (they’re amazing) and SeaVenture are 30 percent off. (Here’s a blog post I wrote about Discovery Cove during the heart of the Covid epidemic. It’s a really special place, now less mask-filled.)