For Steps and Decks: Solpex Solar Deck Lights Light up your deck with these clever Solpex Solar Deck Lights ($37 for 16). These waterproof LED lights emit a warm light that will make for a romantic, bistro vibe. These can also be used to light up stairs, so guests and visitors or less likely to trip or miss a step in the dark. Image Source: amazon.com Solpex Solar Deck Lights $37 from amazon.com Buy Now