Install rows of low-voltage lights on the deck roof. Low voltage lights are less harsh on the eyes.
Hang lighting over each table on the deck. This helps guests see the table, as well as each other.
Place solar lights on your deck's posts or handrails. During the day, solar lights absorb the sun's energy. At night, the absorbed energy powers the lights. These are ideal for saving money on the electric bill.
Hang strings of white or colored lights on the deck rails. These lights add a festive, cheerful accent to outdoor parties.
Install safety lighting on or under the stairs and by doors. Unlit stairs are a safety hazard, since someone can fall down and sustain serious injury. Put safety lights around the pool or hot tub if you intend to use it after dark.
Hang accent lights on the deck walls. Some accent lights display interesting patterns on the deck floor.
Attach a lamp to the deck to illuminate the grill area if you like to cook at night.