The best replacement for u boat is submarine.

The best alternatives to u boat are rated as following:

Your alternative for u boat is not listed? Suggest!

Speaking about u boat, one probably shouldn't forget about megalodon.

Other search terms related to u boat and their ratings are:

★★★★★

megalodon

You have in mind a companion for u boat and it is not yet here? Propose!

Scale is based on the average worldwide traffic of u boat in all years. Click on graph for more.

u boat

submarine

panerai