You'll be lucky to find a reel with a spare spool these days, especially in the general beach reel size range.
Budget will determine just how much of a beach reel you'll get. Most of the decent reels under $100-$150 are more freshwater focused. Would be okay for general saltwater use if given a light hose down after, but less so for sand a heavy splashes from the surf. That Rapala is more of a jigging/offshore reel, I believe.
For around the same as you paid for the Rapala, a Quantum Iron 50 should be lighter, has a decent spool lip for casting and good salt protection (only basic se