Noun
はまべ
一緒に浜辺を散歩しないか。
Shall we take a walk on the beach together?
A beach area is just a beach!
The readings for this word are both kun'yomi readings. You haven't learned this reading for 辺 yet, so here's a mnemonic to help you:
Beach starts with be. Be is べ! (I mean, it's pronounced differently, but they're spelled the same!) When you think of the beach, think of べ!