I put this type of light on my boat for courtesy lights. The IP65 covered strips are ok for places where they might get splashed occasionally but don't really last when they get wet a lot. It is better to use the silicon covers for those instances.
I used the IP65 lights in short strips inside my bench seat storage, under the overhang of my console and under one of the handles of my battery box (to light the aft drain plug). To light up the engine area I use a strip of lights in the silicon case across the back of the bench seat.
I have a storage compartment inside of my console that is lit by a short strip of the unprotected LED strip. Since it is inside the console I don't think water will be an issue.
I also have a couple of these on the side of the console. They look better and are more durable than an LED strip stuck in place. They are a little pricey (but you can find them cheaper than MSRP if you look).
Lumitec Lighting LED Courtesy Light Andros
The LED strip lights are quite bright when running on 12V. You only need a few short strips (3 LEDS ea) to light your boat. The interior of my bench seat is light nicely with only 4 short strips (12 LEDS).
I attach the strips with a couple of dabs of 4200. The LED strips have adhesive on them, but it only works well on very smooth surfaces (gelcoat). It won't stick well on much else on a boat. The strip adhesive holds long enough for the 4200 to set.