The Estuary Spa at The Beach Club Charleston

The Estuary Spa sits inside the Beach Club at Charleston Harbor Resort and Marina in Mount Pleasant, with a coastal-inspired interior meant to set a calm tone from the entrance. It's a treatment-focused hotel spa rather than a wellness resort with soaking pools or saunas — the draw here is massage and body work using the organic Naturopathica product line, with staff who customize sessions to target specific areas.

Both individual and couples treatments are offered, and walk-ins are welcome, though booking ahead is recommended given it's a service-based spa with appointment slots. Locals don't need to be hotel guests to book here, which isn't always the case at resort spas. One thing worth noting upfront: a spa treatment does not include access to the Beach Club pool, so don't plan on combining the two without a separate pool arrangement.

Amenities are straightforward and geared toward the pre- and post-treatment experience rather than extended lounging — lockers, robes, a restroom with a shower, a relaxation lounge, and hot tea or water while you wait or unwind. There's no day pass or standalone facility access being sold; this is a spa you visit for a booked service, then leave.

Hours run 9 am to 5 pm Monday through Saturday and 10 am to 5 pm on Sunday, though the venue notes hours can shift seasonally, so a quick call before heading over is a good idea. Reviewers on Tripadvisor have ranked it the top spa in Mount Pleasant, for what that's worth to someone deciding where to book a massage near Charleston Harbor.