Catxalot holds classes, talks, kayak tours and hikes about seaweed and edible beach plants for anyone who wants to learn how to harvest and use the ocean delights in a sustainable way.

You are also very welcome to contact us if you want a tailor made experience. We work with local hotels and can arrange a trip for you and your family, your friends or work place.

Availability Information:
Many of our experiences take place outdoors in the nature where there can be slippery stones and hills, you might have to walk a bit on nature trails and hills, it can rain and blow etc. Take this into consideration when booking an experience. Ask us if you are afraid of not being able to cope with it, and we will do all we can to help you. It is not possible to drive a wheelchair etc.
In our old harbor warehouse in Havstenssund, the cooking courses take place upstairs. There is no elevator. We have a small terrace up on the mountain at the premises. The stairs are very steep.

Seaweed and seafood safari in Sweden

Foto: Catxalot Foto: Catxalot
Learn everything there is to know about seaweed, oysters, and the local seafood on Sweden’s west coast.

With a boutique seaside hotel in the town of Grebbestad as our base, we’ll visit Havstenssund Oyster Farm where they cultivate the flat European oyster Ostrea edulis, and taste the bivalves directly from the ocean. 

The trip also includes two extraordinary dinners, one focusing on different varieties of seaweed, the other featuring shrimp, fish, or crayfish directly from the waters of Havstenssund. Book here. 

Seaweed foraging and cooking class

All-day course with seaweed foraging and cooking. You will forage and prepare the seaweeds yourself during this class. After foraging at the beach we go to Catxalot's warehouse in Havstenssund and cook together a variety of dishes that contain seaweeds.
If weather permits, we eat up on our lookout / terrace on the mountain. Book here
Please see availability information above.

Seaweed safari

Introductory course for those who want to harvest seaweed in a sustainable way and learn how to use them. You will identify different edible seaweeds, we talk about when they have their best season, how to forage sustainable and how to use the seaweeds in cooking.
If you like you go into the ocean with us, or just relax, watch and learn if you prefer so.
The safaris takes place just outside Grebbestad or nearby. Book here. Please see availability information above.

Heal the beach - pick marine litter and taste ocean food

(a company or private group event)
Make an active environmental effort with your colleagues and have a wonderful day outdoors!
The seaweed company Catxalot takes business groups into a beach full of junk where we together create wonders and pleasure. This junk event is a guaranteed unique food and nature experience that unites environment engagement with joy. We clean the beach from marine junk and you learn what is good to eat on the beach - seaweed, mussels, oysters and beach plants. You get exercise, eat good food, learn useful things and make an effort for the environment.
Tasting samples, coffee or a small lunch at the beach are available as an addition. Before the gloves are pulled on, a presentation about marine junk is given.

Seaweed cooking class

Cooking class with and about seaweed - the new exciting vegetable of the sea. You will cook one dish each and we eat it all together. Combine this class with a seaweed safari if you also want to learn how to harvest the seaweed yourself. Book here. 
Please see availability information above.

Seaweed kayaking with snorkling

Seaweeed safari in the archipelago of Grebbestad with kayak and snorkling gear. During a day trip we harvest from the sea kayaks and when we are snorkling/freediving. During the trip the seaweed guide will share information on seasons for harvesting, nutrients and who to make seaweed into healthy snacks.
Book here.

Seaweed spa class

The finest skin care is the one you make on your own. Seaweed baths, face masks and salty scrubs are simple and fun to move together. During this workshop you will learn to make products for a beneficial face and body treatment with seaweed. Book here.
Please see availability information above.


In Grebbestad we work with the following hotels:

  • Everts Sjöbod - a small boathouse hotel 2 km from Grebbestad center. Very charming and quite. Located on the beach sith a kayak rental place next to it.
  • Grebbestad hostel - located in central Grebbestad. View over the harbour. Nice and simple with a low price. Make your own breakfast (shop nearby) or eat at charming café Sjögrens i Backen.
  • Tanumstrand hotel resort - a big hotel with 160 rooms, about 2 km from Grebbestad center. There is a walking path to Grebbestad along the seashore. SPA, pool, restaurants etc. Open all year around.

Find us

You find Caxalot right between Oslo, Norway and Gotheburg, Sweden. Travel options:

  • Fly to Oslo or Gothenburg. Rent a car and drive to Havstenssund (about 160 km).
  • Travel by train and bus from "Göteborg Central" to "Grebbestad busstation".
  • Take the bus from Oslo to Tanum were we can pick you up or you can book a taxi.
  • If you don´t have a car please contact us and we will try to pick you up in Grebbestad och Tanum Shoppingcenter/Tanum station-train station.