It's a Marriott brand resort. They don't have lounges. Years ago when Marriott bought SPG it mandated that all the SPG resorts (examples: Sheraton Hua Hin and Le Meridien Chiang Rai) closed their lounges or ceased their lounge-equivalent services. This is not news any more. Indeed, the Marriott Ocean Park in Hong Kong re-designated itself as a resort (in HK) specifically to exclude elites from its lounge. Which it has due to it being a city hotel albeit near a water park.

What you do find at some resorts are GMs who go above and beyond. Here, we got a can of Chang beer while checking in, two cocktail vouchers, and once a week elites are invited to a manager's drinks reception with light snacks and alcohol for an hour with a raffle for various giveaways like a free massage. But, really, you should not expect to find traditional lounges at any Bonvoy resorts any more and so you can only be pleasantly surprised if the GM does go above and beyond. A few do, most don't.