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What's New

Our latest leggings, shirts, bags and more!

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Sailfish X-Ray T-Shirt

Regular Price: from $27.99
Sale Price: from $27.99
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Saltwater Migratory Fish Silhouette T-Shirt

Regular Price: from $27.99
Sale Price: from $27.99
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Billfish Silhouette T-Shirt

Regular Price: from $27.99
Sale Price: from $27.99
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Clownfish Protect Our Reefs T-Shirt

Regular Price: from $27.99
Sale Price: from $27.99
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Yellowfin Tuna Silhouette Hat

Regular Price: $35.00
Sale Price: $35.00
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About

Founded in 2020 by two marine biologists, Thalassas is an apparel and home accessories company that provides fun, science-based products. A portion of all our proceeds are donated to help support and organize beach cleanups.