Hi Smilerdownes,
Yes, there is a beach there. It has the umbrella covers and beach lounge/chairs. The beach is rocky, so be sure you have some water shoes. Usually where you find rocks, there are urchins, and I hear they are quite painfull when stepped on bare foot. Snorkleing is decent there. Also, there is a short nature trail there with some native animals on display.
Book direct and before you go. This will guarantee availability, and you can choose your time. Cheaper too.
Pick a morning time (less crowds) and go on a weekend (no ruise ships).
Afterward, go to Dunn's River Falls. It's only 5 minutes away.
You will have a great time!
Cheers!
Bill & Dani