Cala Mariolu and the Uncontaminated Coves of Sardinia: Marine excursion in the heart of the Gulf of Orosei
Have you ever dreamed of sailing in a crystal-clear sea, discovering hidden beaches, mysterious caves and coves nestled between high cliffs? If so, then Cala Mariolu is a destination you cannot miss. Located in the heart of the Gulf of Orosei, along the central-eastern coast of Sardinia, this pearl of the Gulf of Orosei is the ideal starting point to explore some of the most fascinating and unspoiled coves in Europe. In this article, I will take you on a journey through wild nature, emerald waters, and cliffs overlooking the sea. Whether you depart from Arbatax, Cala Gonone, or Santa Maria Navarrese, you will discover why visiting Cala Mariolu by sea is an unforgettable experience.

What are the must-see coves in the Gulf of Orosei?
The Gulf of Orosei hosts some of the most beautiful coves in all of Sardinia. Among these, Cala Mariolu stands out, considered a true pearl of the Gulf of Orosei. But it’s not alone: along the coast, there are other wonders like Cala Goloritzè, Cala Luna, Cala Sisine, and Cala Biriola, all easily reachable by sea. These coves are nestled among white rock cliffs, immersed in the Mediterranean scrub and overlooking a crystal-clear sea. They are ideal spots for swimming, relaxing, and taking photos and videos that look like postcards. Each cove has its own charm: Cala Goloritzè with its famous natural arch, Cala Sisine with its long pebbly beach, and Cala Mariolu, with its white and pink pebbles and the unique transparency of the waters.
Where is Cala Mariolu located and why is it so special?
Cala Mariolu is located in the territory of Baunei, in the southern part of the Gulf of Orosei, along the central-eastern coast of Sardinia. It is an intimate inlet, surrounded by high cliffs and accessible only by sea or via a challenging hiking trail. What makes it unique are its white and pink pebbles, known as “snow fleas”, that look like snowflakes deposited on the shore. The seabed is clear and rich in marine life, making the cove ideal for snorkeling and dive among fish and breathtaking water colors. Cala Mariolu is one of the most photographed beaches in Sardinia, loved not only for its beauty but also for the feeling of peace and isolation it offers.

How to reach Cala Mariolu by sea?
The best way to visit Cala Mariolu is definitely by sea. Main departures occur from the ports of Arbatax, Cala Gonone, and Santa Maria Navarrese. The marine excursion allows you to reach the cove in about 40 minutes, depending on the departure point, and offers the opportunity to admire the entire coast of Baunei during the navigation. You can choose between a tour with a skipper or renting a rubber boat independently. Some tours also include the landing on multiple coves, allowing you to visit Cala Goloritzè, Cala Sisine, and the Fico Cave, in addition to the main attraction of the trip. In summer, the sea is usually calm, but it’s always good to check the sea conditions before departing.
Where do boat trips to Cala Mariolu depart from?
Main departures for Cala Mariolu by sea occur from three locations: Arbatax, Cala Gonone, and Santa Maria Navarrese. From Arbatax, the southernmost tourist port, you navigate along the entire coast of Baunei, admiring numerous caves and coves. Santa Maria Navarrese is a perfect base for those seeking a balance between comfort and proximity to the beach. Cala Gonone is located further north, and is ideal for exploring the northern part of the Gulf of Orosei as well. Each port offers different services: guided tours, rubber boat rentals, excursions with onboard lunch, and multiple stops. Whether you board a small boat or a comfortable craft, the experience will always be memorable.
What to expect during the excursion?
The excursion to Cala Mariolu by sea is truly an exciting experience. You leave admiring bays, cliffs, caves, and traverse waters off that have shades of emerald green and blue. During the crossing, you may also spot a dolphin or, with a bit of luck, a monk seal. Once you arrive at Cala Mariolu, you will be enchanted by its beauty: the beach is made of white and pink pebbles, the water is transparent, and the scenery is dreamy. Ideal for swimming, sunbathing, or taking stunning photos and videos.
What are the recommended activities once at Cala Mariolu?
In addition to relaxing on the beach, at Cala Mariolu you can enjoy wonderful snorkeling sessions, exploring the seabed and observing the marine life. For photography enthusiasts, the colors of the water, the cliffs, and the special morning light provide a perfect backdrop. If you seek a bit of adventure, you can also explore some nearby caves or take a section of hiking towards Golgo, a panoramic plateau that dominates the area.
What other coves can be explored nearby?
Not far from Cala Mariolu, there are other extraordinary coves. Cala Goloritzè, with its iconic limestone spire and pebble beach, is a natural spectacle. Cala Sisine offers a wider and more relaxed environment. Cala Luna, famous for its caves and scenes from the film “Swept Away by an Unusual Destiny,” is ideal for a romantic stop. Also, Pedra Longa and the area of Capo Monte Santo are fascinating stops to include in your boat trip.
Can I rent a rubber boat and drive it myself?
Absolutely yes! Renting a rubber boat is possible even without a license, if the engine is below 40 horsepower. You can thus enjoy the Baunei coast in complete autonomy. However, it is important to be careful, respect distances from the shore, and always check the sea conditions. If you prefer to relax and discover the secrets of the coast with an experienced guide, rely on a skipper.
What makes Cala Mariolu unique compared to other beaches?
Cala Mariolu stands out for its rare beauty: pebbles resembling snow fleas, transparent waters, cliffs that provide natural shade, and an atmosphere of an intimate cove. It is difficult to find another beach that offers so much variety in such a small space. Additionally, its location protects it from the winds, making it perfect for a relaxing day even during the summer months.
What is the best time to visit?
The ideal period is from May to September. June and September offer the perfect balance between warm sea and low tourist influx. July and August are busier, but with a morning trip, you can still enjoy the best of Cala Mariolu.
FAQ about Cala Mariolu and sea excursions
How much does a sea excursion to Cala Mariolu cost?
Prices vary based on the season and type of vessel, but on average they start from 35-50 euros per person.
Is a license required to rent a rubber boat?
No, for rubber boats with engines under 40 horsepower, a boating license is not required.
How long can you stay at Cala Mariolu?
It depends on the type of excursion. Some tours provide stops of 1-2 hours, while others allow you to stay for half a day.
Can you get to Cala Mariolu by land?
Yes, but the trail is very demanding and recommended only for experienced hikers.
What is the seabed like at Cala Mariolu?
It consists of light pebbles, ideal for snorkeling and observing marine life.
Can I bring small children to Cala Mariolu?
Yes, but by sea. The beach is also suitable for little ones, but it’s best to avoid access by land with children.
Where can I park to catch the boat?
All departure ports (Arbatax, Santa Maria Navarrese, Cala Gonone) have dedicated parking areas.
Is Cala Mariolu crowded in summer?
Yes, in July and August, it can be crowded, but less so than other beaches in Sardinia.
Can I bring lunch and water with me?
Yes, it is recommended to bring water and a snack. Some excursions also provide lunch on board.
Is Cala Mariolu accessible to those with reduced mobility?
Unfortunately not, access is difficult for those with mobility issues, both by sea and by land.