The stylish upper-middle-range Hotel Las Rocas has ocean views, but no ocean access. Expect an eight-minute walk to Playa Verse, the nearest beach. Fifty modern guest rooms feature ocean views, flat-screen TVs, and minibars; most have balconies. Be aware that not all rooms have air-conditioning. The boutique property includes a spa, two pools, gym, game room, and a bar that serves light fare. Breakfast buffet is included in the room rates. Travelers could also consider Grand Hotel Santa Teresita, which has amazing design and a full-service restaurant. 

The Hotel Sainte Jeanne is a 27-room, luxury boutique hotel and spa situated on a high-end shopping street in Mar del Plata, about a 15-minute walk from the beach. Elegant rooms have marble bathrooms and feature Nespresso coffeemakers and minibars. The on-site restaurant serves all three meals and has a tea service, a free, well-received buffet breakfast with pastries supplied by the hotel's own pastry and chocolate shop, and a stylish bar and lounge. There's also a spa with a sauna and a small outdoor sundeck, a fitness area, and an exceptional indoor thermal pool with whirlpool nooks and individual, submerged massage chairs. However, it's a 15-minute walk to the beach; travelers wanting to be closer might want to try the upscale beachfront Gran Hotel Provincial instead.