1. Vigor Water-Resistant Lightweight Rainfly 10x10 ft Rain Fly Large Tent Tarp for Camping, Blue (Click Link to Check Price on Amazon)
Editor's Rating : 9.4 out of 10
Lightweight and portable --Vigor professional rain fly is really lightweight, approximately 1.6lb, entire package equal to a glass of water's weight. it is convenient to fold and take in trips, make your trip easier and pleasant.Excellent sun and snow protection and waterproof --Vigor is made of ripstop parachute nylon fabric. waterproof up to PU2000mm. Not only a water-repellent rain fly, but also a great sunshade/snowshade. Even in the varying weather conditions, Vigor can provide the perfect protection.

2. Bear Butt Rain Fly (Gray) (Click Link to Check Price on Amazon)
Editor's Rating : 9.9 out of 10
EVERYTHING YOU NEED FOR QUICK AND EASY PEASY RIGHT OUT OF THE BOX SET UP... Nothing makes me tick more than an easy set up. From average Johnson to the outdoor nut this Bear Butt Rain Fly is made for you. Quick tie here and a quick tie there and Shaaaabam you are all set!YEA YOU NEED A BEAR BUTT RAIN FLY FOR YOUR HAMMOCK.. ARE YOU NUTS?... Say hello to the relaxing feeling of hammocking in the shade, free of bird poop, pine needles, torrential rain down pores, and zombies. It's a no brainer.

3. Coleman 6-Person Instant Tent Rainfly Accessory (Click Link to Check Price on Amazon)
Editor's Rating : 9.3 out of 10
Get better airflow by cracking your windows, even in the rainMore protection from the rain

4. [Camping Essential] Himal 3m*2.95m Waterproof Sunshade Tent Rain Fly Tent Tarp (Blue) (Click Link to Check Price on Amazon)
Editor's Rating : 9.7 out of 10
[LIGHTWEIHGT AND PORTABLE]: The tent tarp weighs 1.6lbs and comes with a stuff stack, making it convenient to take in trips or store when not in use.[IDEAL FOR MULTIPLE USAGES]: The tent tarp is versatile and durable, making it an excellent shelter for your hammock or shelter equipment, clothes, your remote kitchen or your dog.

5. Chill Gorilla Pro Waterproof Tent Tarp, Rain Fly and Hammock Shelter [Essential Camping and Survival Gear] RIPSTOP Nylon Black (Click Link to Check Price on Amazon)
Editor's Rating : 9.1 out of 10
#HUGE! 24% BIGGER THAN ENO Profly Rain Tarp. A WHOPPING 16.63 square feet bigger! Stakes, ropes (guy lines) and rope tensioners included. Truly waterproof in a torrential downpour! Easily covers Eagles Nest Outfitters doublenest hammock. Huge compared to Bear Butt.#UNBELIEVABLE WATER SHEDDING. Polyurethane-treated ripstop nylon offers long-lasting all weather protection. Instant shade. Waterproof tarp can also be a Shelter (set it up low). Ripstop = QUALITY. Just nylon = low cost/quality. TIP: Only buy a ripstop nylon rainfly.