Teens may not care about a lot of floor space, so seating like this Cushy Lounge Sectional from PBteen creates a study nook and hangout area worthy of having friends over.
Coastal Style coffee table... another interesting idea instead of the driftwood look
Nautical Maritime Bedroom for Teen Boys
Pool house makeover by @Laura Jayson Jayson Jayson Putnam - Finding Home
That cute duckie wallpaper or nautical furniture set were great for your child's baby years and just barely tolerable through elementary school, but a bedroom makeover is hard to get around when a child heads for the tumultuous teens.
Stick with the stripe pattern, change out the colors.
Beach Themed Bedrooms for Adults | Photo Gallery of the Beach Themed bedding for the Calming Effect
Personalized Nautical Name Vinyl Wall Decal - Sailboat Anchor & Chain - Baby Boy Nursery Toddler Teen Room 22H x 22W BN002 . $26.95, via Etsy.
Caitiebug Love navy blue and yellow bedding
The Sea and The Mermaid Nursery Design Board - a little girl's nautical themed nursery