SiSpa

SiSpa sits inside the Palm Beach Marriott Singer Island Beach Resort & Spa in Riviera Beach, right on the Atlantic coast. It's a straightforward hotel spa with 15 treatments on the menu, covering massages, facials, body scrubs, body wraps, waxing, and manicure/pedicure services, along with separate men's and women's lounges and a steam room.

Couples massages are offered, so two people can be treated side by side. Access is limited to hotel guests, and the minimum age for spa services is 16 — this isn't a stop for families with young kids, even though the resort runs a separate supervised Kids Club elsewhere on property for ages four to twelve.

Beyond the treatment rooms, the resort's water features are part of the appeal: an infinity oceanfront pool, a lagoon pool with a water slide, and a whirlpool. A common pattern here is pairing a massage or facial with time at the pool or on the beach before or after a treatment. SiSpa is open daily from 9am to 6pm, matching the rest of the resort's daytime schedule.