FastPak Letter and Freight Service

Tired of waiting for the delivery of your urgent freight or mail?   Seaborne is now accepting boxes/items sized 24in x 24in x 24in and weighing up to 70lbs in weight for FastPak same day carriage!*

Seaborne FastPak is the fastest freight service between St. Croix and St. Thomas. Whether you need to send a letter or a box, send it FastPak and send it fast.

For customer service questions on FastPak please contact 340-773-7546  ext. 48.

Set up a Corporate  FastPak Account

You can establish a Corporate FastPak account which allows authorized agents of your company to send freight or mail without cash. To set up and fund an account please contact 340-773-7546 ext. 48  moc.s1409675803enilr1409675803iaenr1409675803obaes1409675803@trop1409675803puset1409675803aropr1409675803oc1409675803

Freight Service between St. Croix and St. Thomas

Type of Freight Weight Rate
Small Envelopes Up to 1 lb. $5
Envelopes 1-2 lbs. $10
Envelopes 2-5 lbs. $15
Freight 0-10 lbs. $20
11-15 lbs. $25
16-20 lbs $30
21-25  lbs $35
26-+  lbs $40  .50 per additional lb.
Mail Pouch Flat $40 additional $1.00 per lb.

*Standard Freight will be sent on the next available flight.   Large boxes will be sent on the first available flight that can accommodate it.

Pick Up Times—Anything shipped after:

  • 7am can be picked up at 11:30am
  • 12pm can be picked up at 3pm
  • 3pm can be picked up at 5:30pm

Got something a little bigger – call us at 340-773-5991 ext. 48,18, or 23 and we’ll let you know if we can carry it over for you.

Terms and Conditions

All packages must be received at least 30 minutes prior to departure. Package weights are measured in tenths of pounds; those above four-tenths of a pound will be rounded up to the next weight category. Large boxes will go over on the first available flight.

Seaborne Airlines will not be held responsible for loss or damage of shipment due to weather, mechanical reasons, or reasons beyond Seaborne Airlines’ control. Shipments affected by flight cancellations due to weather or mechanical reasons will be sent on the next applicable departure.

The sender is responsible for adequately packing freight. Seaborne Airlines will not be held responsible for loss or damage of freight due to insufficient packing, securing, marking, or addressing. Accurate phone numbers are required for both sender and recipient along with proper identification.

Seaborne Airlines liability on any shipment is limited to $100. In the event of damage or loss of shipment, the sender must report all claims verbally and in writing at the time of pick up.

A $10 per week storage fee will be charged for any item left after seven days. For any item left 90 days or longer an additional $50 long term storage fee will be charged in addition to the $10 weekly fee.

Seaborne Airlines reserves the right to inspect or reject shipment of freight that will likely cause personal injury, violation of Hazardous Materials Regulations, damage to other freight, or equipment. C.O.D. service is not available.


  • Corporate FastPak Account
    340-773-5991 ext. 18 or 23
    Email
  • FastPak
    FastPak Counter  340-773-5991 ext. 48
    Email