Sunny Days in Key West is offering a deal on reef snorkel trips.

With purchase of a half-day excursion, another excursion saves some money — half price.

The deal is featured on the Keys Kash offers from the Florida Keys tourism office. A coupon is available on the website.

Sunny Days is at 631 Greene St.,Key West,  305-294-7755 or 305-296-5556