What are your best tips for planning a beachside wedding at a luxury resort?

I’m trying to plan this beachside wedding at a luxury resort, and my head is kinda spinning. I want the whole thing to feel dreamy and low-stress, but the choices are endless and I’m scared I’ll miss something important, like weather issues, guest comfort, or hidden fees that pop up out of nowhere. I’ve never planned anything this big, and my family keeps tossing random opinions at me. If anyone here has done a resort wedding or survived planning one, I’d love any tips, must-dos, or stuff you wish you’d known before locking things in.