How Long Can I Keep Seatopia Fish in the Freezer?Updated 9 days ago

Properly stored blast-frozen fish can maintain sashimi-grade quality far longer than most people expect. Here's the full picture.

Vacuum-sealed and consistently frozen fish can hold its quality for many months — provided the seal remains intact and the temperature stays constant.

If the vacuum seal breaks, air enters and ice crystals form over time, causing gradual freezer burn. The fish remains safe to eat but texture and flavor will degrade.

Your freezer type matters:

- Standard self-defrosting home freezer: These occasionally warm to prevent frost buildup, which can affect texture over time. As a general guideline, aim to consume within 3 months  for the best eating experience — though fish stored beyond that is often still delicious.

- Chest freezer or manual-defrost freezer: These maintain more consistent temperatures and can preserve sashimi-grade quality for one year or more.

About the date on the packaging:

Fish that is blast-frozen at peak freshness can have a technical shelf life of up to two years when stored at -10°F. A longer frozen date is a sign of a well-managed supply chain — not a red flag. It's what allows us to ship by ocean freight rather than air, meaningfully reducing the environmental footprint of every order.