As an AI language model, I don't have personal experience about Costa Calma, Fuerteventura. However, I'll do my best to provide you with a comprehensive tourist visitor guide based on available online resources.

Costa Calma is a beautiful holiday resort located on the southern coast of Fuerteventura, one of the Canary Islands in Spain. Known for its stunning landscapes, crystal clear waters, and endless white sandy beaches, Costa Calma is a perfect destination for those who seek calm, relaxation, and sun-soaked vacations.

Here is a brief guide to Costa Calma:

Things to do:

1. Beaches: The main attraction of Costa Calma is its stunning beaches. Sotavento Beach is the most famous and stretches for over 9km. There are also other beaches such as Costa Calma Beach, Esmeralda Beach and many more.

2. Surfing: Costa Calma has become popular among surfing enthusiasts. Sotavento Beach is known for hosting world-class competitions and surfers across the globe flock to this region for its ideal surfing conditions.

3. Scuba Diving: Costa Calma is an excellent destination for scuba diving. With crystal-clear waters and a variety of marine life, scuba diving is a great way to explore the underwater world.

4. Windsurfing: The wind and ocean conditions at Costa Calma are ideal for windsurfing. There are many windsurfing schools in the area offering classes and equipment rentals.

5. Explore the surrounding islands: Costa Calma is an excellent base to explore the surrounding islands of Fuerteventura. Lobos Island is a must-visit destination, known for its pristine beaches and natural beauty.

Places to visits:

1. Oasis Park: A zoo and botanical garden featuring a variety of animals and plants from all over the world, including elephants, giraffes, and cheetahs.

2. Morro Jable: A small fishing village located south of Costa Calma. It is famous for its stunning beaches and is a great place for snorkeling.

3. La Lajita: A traditional Canarian village known for its beautiful gardens and palm groves.

4. Cofete Beach: A remote and stunning beach, rated as one of the best beaches in the world.

5. Betancuria: A historic town located in the center of Fuerteventura, known for its colonial architecture and beautiful vistas.

Where to eat:

1. Monolo's: This restaurant serves some of the best seafood in the region, with a terrace overlooking the ocean.

2. Restaurante El Patio: An excellent restaurant offering local and international cuisine, with vegetarian and vegan options.

3. El Nido: Located on the beach, El Nido is an excellent spot for a romantic sunset dinner.

4. El Pescador: A traditional Canarian restaurant offering fresh seafood and local specialties.

5. Cafe del Mar: A great place to enjoy cocktails and tapas while watching the sunset.

Where to stay:

1. R2 Bahia Playa: A luxury hotel overlooking the ocean, with an outdoor pool, spa, and a variety of dining options.

2. H10 Tindaya: A modern hotel with a range of facilities, including pools, bars, and restaurants.

3. SBH Costa Calma Beach Resort: A family-friendly hotel with a range of amenities, including a kids' club, pools, and a tennis court.

4. Iberostar Selection Fuerteventura Palace: An all-inclusive hotel with stunning ocean views, a spa, and a variety of dining options.

5. Hotel Risco Del Gato Suites THe Senses Collection: A boutique hotel offering spacious suites, a spa, and an outdoor pool.

With its stunning beaches, clear waters and lovely climate, Costa Calma is a great place to visit at any time of the year.