Paddle SMTX began offering nighttime stand-up paddleboard tours of the San Marcos River on June 22, owner Dane Adamson said. The business provides stand-up paddleboards that are equipped with LED lights. The lights illuminate the bottom of the river, offering customers a unique view of the wildlife in the river, Adamson said. Tours last about 60-90 minutes. Customers meet at the Olympic Outdoor Center, 602 N. I-35, San Marcos. 214-435-8899. www.paddlesmtx.com