Watercraft lift stabilizing system and accessories therefor

1. A stabilizing system engageable with a watercraft lift assembly comprising:

a piling bracket;

at least one piling bracket keyhole in said piling bracket;

a lift-block having at least one keyhole pin extending from a first side of said lift-block toward said at least one piling bracket keyhole; and

a stabilizing beam, for supporting a watercraft lift assembly cradle, said stabilizing beam being attached to a second side of said lift-block.

2. A stabilizing system engageable with a watercraft lift assembly as recited in claim 1 wherein said at least one lift-block is further comprised of a lock-knob receiving recess.

3. A stabilizing system engageable with a watercraft lift assembly as recited in claim 2 wherein said piling bracket comprises a piling bracket lock-knob receiving recess for receiving said threaded lock-knob.

4. A stabilizing system engageable with a watercraft lift assembly as recited in claim 3 further comprising a threaded lock-knob engageable with said lock-knob receiving recess to secure said stabilizing beam to said piling bracket.

5. A stabilizing system engageable with a watercraft lift assembly as recited in claim 3 wherein said threaded lock-knob is comprised of a security lock.

6. A stabilizing system engageable with a watercraft lift assembly as recited in claim 1 wherein said watercraft lift assembly cradle is supported by said stabilizing beam.

7. A watercraft lift comprising:

a plurality of pilings;

a stabilizing system attached to at least one of said plurality of pilings, the stabilizing system supporting a watercraft lift assembly cradle;

at least one pulley system supported by said plurality of pilings and attached to an upper side of said plurality of pilings;

a security locking device capable of preventing movement of the stabilizing system relative to the attachment of the stabilizing system to said one of said plurality of pilings; and

a watercraft cradle supported by said pulley system and attachable to said stabilizing system;

wherein said watercraft cradle is fixedly attached to said stabilizing system;

wherein a threaded fastener fixedly attaches said watercraft cradle to said stabilizing system.

8. A security system for locking a watercraft boatlift comprising:

at least one bracket fixedly attached to a piling, said bracket having a keyhole;

a lateral beam having at least one keyhole pin extending toward said keyhole; and

a security device engageable with said keyhole pin, said security device having a security key.

9. A security system as recited in claim 8 further comprising a keypad.

10. A security system as recited in claim 8 further comprising a combination lock.

11. A security system as recited in claim 9 further comprising a combination lock.

12. A security system as recited in claim 8 wherein said security key is an encrypted code.

13. A security system as recited in claim 12 further comprising a combination lock.