Thermes Marins Monte-Carlo#9 in Best Things To Do in Monaco
Translated as "The Sea Baths of Monte-Carlo," this spa is one of Monaco's most beloved. Salons, gyms, treatment rooms and restaurants are spread across four lavish floors, and though the spa is very discreet about its clientele, it often serves the jet-set crowd (think: Formula One and quasi-royalty). Spa treatments range from underwater massages and seaweed body wraps to anti-aging treatments and daylong pampering sessions. Visitors suggest a dip in the indoor heated pool or a soak in the outdoor Jacuzzi that overlooks the harbor. Recent travelers were pleased with their treatments, though they did note the high cost.
You'll find the spa located beside the famous Hôtel de Paris. Prices vary by treatment and/or package, but you can expect to drop a decent chunk of change on services here. For more information, visit the spa's website.
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#1 Larvotto Beach
One of Monaco's most popular beaches, Larvotto is a free-to-the-public shore located just a short walk from Monte-Carlo. But like many French Riviera beaches, this one has pebbles rather than sand, so bring some sturdy shoes and be prepared to shell out some euros for a chair rental.
Travelers recommend this shoreline for visitors of all ages since the water is shallow and calm, and the beach and its facilities are clean. However, families should keep in mind that some beachgoers sun topless here. You should also note that this beach is very popular, so if you want a spot in the sand, you should plan to get there early.