Frequently Asked Questions

Everything you need to know about our nautical-inspired fashion.

What is the average shipping time for orders?

Standard shipping typically takes 3-5 business days within the continental US. International orders may take 7-14 business days depending on the destination and customs processing.

What is your return policy?

We offer a 30-day return policy on all unworn items with original tags attached. Please note that sale items and intimate apparel are final sale.

Are your materials sustainably sourced?

Yes, Poseidon Marine is committed to the ocean. We use organic cotton and recycled polyester made from ocean-bound plastics in over 80% of our seasonal collections.

How do I determine my correct size?

Please refer to our comprehensive Size Guide located on each product page. Our apparel follows standard athletic sizing, but we recommend sizing up for a more relaxed, coastal fit.

Which payment methods do you accept?

We accept all major credit cards (Visa, Mastercard, American Express), PayPal, Apple Pay, and interest-free installment plans through Klarna and Afterpay.

How can I track my package?

Once your order ships, you will receive an email notification with a tracking number and a link to our carrier's website to monitor your delivery in real-time.