Lake Longhorn Multisport Training Lake

Season Pass

Gift Certificate

Welcome to Lake Longhorn "The Multisport Training Lake of Houston". Lake Longhorn serves the Houston area and the entire Texas Gulf Coast. If you enjoy scuba diving, triathlon training, open water swimming, stand up paddleboarding, kayaking, or anything else needing a large body of water then Lake Longhorn is the multisport lake for you. Lake Longhorn is a 49-acre freshwater lake and has 20 acres of green space dedicated to serving the lake in League City, Texas for your enjoyment. We offer recreational scuba diving, scuba diving training, triathlon swimming, triathlon swim training, (SUP) Stand up paddle boarding and kayaking in the Houston and Texas Bay Area. Lake Longhorn is striving to become the best scuba diving training lake in Houston dive site and open water training lake in the Houston area and Texas Gulf Coast.

For Scuba Diving and scuba certification, Lake Longhorn dive site offers scuba/snorkel gear rentals, air-fills, well-built topwater docks with swim ladders and scuba diving underwater training platforms for scuba diving lessons for your scuba certification, multiple large boats and swim-throughs for your underwater experience. We are adding more diving attractions on a regular basis with the goal of becoming Houston's best and favorite open water training facility in Houston, Texas. Just like any scuba diving lake in the Houston area, visibility ranges from 3'-30' depending on the Houston area weather conditions, and the lake water temperature ranges from 50 degrees to the high 80's depending on the season. The maximum depth of the lake to be found in 35' with a mean depth of about 25'.

 IMPORTANTAll Scuba Diving Instructors and Divemasters must provide proof of insurance with Lake Longhorn Enterprises, LLC and The Elzabeth Blalock Randall Testamentary Trust listed as additional insured before holding classes at Lake Longhorn, and ALL students must sign the Lake Longhorn premise waiver. ALL scuba divers not in training must provide certification card before diving and have a Dive Buddy. All scuba divers must have a dive buddy and no solo diving is permitted in the lake without showing proof of a solo scuba diver certification. 

For Triathlon swimming and training, Lake Longhorn offers premier open water swimming that will rival any lake, swim track buoys for Triathlon beginner swimmers and advance Triathlon swimmers. Lake Longhorn swimming has safe and easy access to the lake and the lake waivers are good for a year. **** It is Lake Longhorn's policy that ALL long-distance swimmers use a safety buoy while training. Safety buoys are available to purchase if needed.

IMPORTANTALL swimmers must sign Lake Longhorns waiver before swimming, and must have personal swim buoy. If you forget your buoy we have them for sale in the shop.  

For private parties and company Events, Lake Longhorn offers 10 acres, a covered pavilion with running water and electrical connections surrounded by large areas of green space with numerous shade trees and covered picnic tables with great views of Lake Longhorn. It is a beautiful place to just relax, cook BBQ or take a swim. Give us a call and we can price your lake event! 

Lake entry Fees:

  • Scuba Diving - $20 DAILY (200.00 seasonal passes available)
  • Lake Entry Fee $20 Daily
  • Swimming Buoy - $25
  • Fishing - $20 DAILY ($200.00 seasonal passes available)
  • Triathlon Swimming - $10 DAILY ($200.00 seasonal passes available)
  • Kayaks - $20 Hourly
  • Spectators - $5 DAILY
  • Private organized Events - Call for pricing



Please Sign in and pay the entry fee at the lake office trailer. 

If no one is available, please go to the Gun Range Office

No Pets Allowed 



Contact us today to find out more information about our awesome lake.

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Contact Us


2391 Gun Range Rd.
League City, TX 77573


Mon - Sunday: 9am - 6:30pm