These are Navy and Government sites.  Some are about the Navy, some are for Navy personnel, and other are to various government agencies.

Accelerate Your Life, All Hands magazine.

Blue Angels, BUPERS.

DFAS.

E-Learning, EMSS.

Fact File.

Goat Locker.

IRS.

Library of Congress.

Military Info.

Navy College, Navy Exchange, Navy.mil, Navy Online Alphabetically, Navy Online Categorically, Navy Wives, NROTC.

Sea Cadets, SEALs.

Tricare.

USO.

If you know of another good site I should include, then email it to me.