Adult Classes

Basic Keelboat

Advanced Keelboat

Heavy Weather Clinic

Rental Checkouts

Adult Dinghy

V15 Racing


Private Lessons

Basic Keelboat


Register for Basic Keelboat

Our Basic Keelboat series is a US Sailing certified class. Upon successful completion of the class you get the official US Sailing BK sticker in your log book. During the first weekend students will work on building a solid foundation of sailing techniques. They will learn water safety, sailing terminology, sail trim, boat handling, and will get an introduction to the physics of sailing. Classroom time is devoted to understanding how a sailboat is propelled upwind. Other classroom topics include terminology, points of sail, and efficient sailing. Our goal is to get you out on the water as soon as possible.

Our keelboat courses are 4 days over 2 weekends. Each weekend is a Saturday and Sunday 10 a.m. to 4 p.m. The weekend courses (ex. BK-Wkend  1 or BK- Wkend 2) are sold independently to provide as much flexibility as possible. Go to the schedule and choose and pay for each weekend part of the course to fit your schedule. We recommend you schedule as closely together as possible.

Saturday and Sunday
Weekend 1 – $299
Weekend 2 – $300

Advanced Keelboat


Register for Advanced Keelboat

Building on the US Sailing Basic Keelboat course, participants will review all aspects of their Basic Keelboat skills while furthering their sailing knowledge in the areas of docking under sail, anchoring, knot tying and advance sail trim, boat handling, heavy air sailing, and seamanship. Weekend One is a prerequisite for Advanced Keelboat Weekend Two.

Saturday and Sunday
Weekend 1 – $299
Weekend 2 – $300

Heavy Weather Clinic


Heavy Weather Clinic

Students become proficient in early identification of strong wind conditions and proactive in applying the techniques of de-powering a boat for those conditions. Students will sail, assign crew positions, give safety briefing, sail the boat safely off the dock at the start of the day and back at the end of the day.

Cost: $150

Adult Dinghy


Register for Adult Dinghy

Sailing in a dinghy is fast, fun, and physical! 

Beginner Adult Dinghy 

The Beginner Dinghy course is designed to teach small boat handling to new, beginner sailors on the RS Venture. Our three-to-one student-to-instructor ratio provides you with ample time on the helm with our certified instructor in the boat. This progression course teaches; water safety, terminology, knots, rigging, sail adjustment, docking, steering a course, person in the water drills, rules of the road, and capsize/recovery drills.  

This is a 4-day course held over two weekends  and is taught on the RS Venture. This is a physically demanding course for beginner sailors. 

Skills will be self-assessed then signed off by our Certified Sailing Instructor. You will receive the US Sailing Small Boat Sailor Certification Record Book, “The Little Red Book”, to keep track of student progress.  

Saturday and Sunday
$599 4-day Course

Intermediate Adult Dinghy 

The Intermediate Dinghy course is tailored to student skill level and objectives. At this stage our Instructor moves into a coach boat as students continue to develop their skills such as;  rigging, sail trim, docking, steering a course, capsize/recovery drills, seamanship.

The Intermediate course will also focus on:

  • Navigation and Emergency Procedures
  • Current / Wind Effects and introduction to the physics of sailing
  • Proper sail/boat trim and hiking technique
  • Course rounding and roll tacking
  • Teamwork and crew dynamics

This course may continue on RS Ventures or move to Vanguard 15’s depending on student objectives and skill levels. Students will self-assess upon registering and we will tailor the class to meet the needs/objectives of the students.  This is a very physical 2-day course. 

Saturday and Sunday
$250 2-day Course 

Dinghy Skills Day – Self Guided Practice – See Skills Days

Advanced Clinics and Rentals

Advanced dinghy clinics are held once a month for those interested in Laser sailing, racing skills development, and spinnaker sailing. More info and schedule of these clinics to come. If you are interested in a one day clinic please call our office for more details 415-421-2225. Successful passing of our Intermediate Course or a Checkout is all you need to rent from us. Please visit our rental page for more information.

V15 Racing


Sign up for V15 Racing

Sign up link for the V15 races. Must have your own boat or ask about a charter (this is not a class).
Previous sailing skills required, come down and meet the fleet.

Rental Checkouts


Rental Checkouts

For those that have extensive prior sailing experience and/or already have the equivalent sailing qualifications TISC offers a one day 3 – 4 hour checkout. Please carefully review the checkout sheet above and verify that you are confident in all the required maneuvers and concepts. **If you have the equivalent of one or our classes, you have the option to use the checkout as a placement tool to test out of the pre-req for a class.

Adult Private Lessons

SF bay Sailing

Private lessons are a great opportunity for students to rapidly improve their skills in a one on one setting with one of our instructors. Private lessons can be taken in addition to any of our sailing programs classes, as a stand alone class, or as recurring private instruction.  Adult private lessons are scheduled on an individual basis, accordingly TISC is able to accommodate most schedules. Private lessons are offered at $95 per hour with a minimum of 2 hours.  Private lessons are offered in V15s,  RS Venture 17, and J24s. We also offer private lessons for kayaks and paddle boards.

Please join us for a FREE fun family day out on Saturday, April 16 from 10:00 am to 3:00 pm at Treasure Island Sailing Center (TISC). ...

Today is #GivingTuesday!

Please consider supporting TISC. Your support will enable TISC to continue to bring the sport of sailing to a wide and diverse group of young sailors in 2022.

Tomorrow is #GivingTuesday, the national day of generosity. Please consider supporting TISC and help another generation of young sailings learn to love sailing on the San Francisco Bay! ...

A huge thank you to @plantconstruction for generously volunteering their time to build our new deck!! (More pictures coming soon) ...

Today is #givingtuesday2020! This year has been particularly hard for nonprofits like TISC. Please help us continue to serve our community and get youth out on the water!

#siebelsailing #ussailing #tisailing #sumercamp #socialydistantonthewater

Tomorrow is #givingtuesday2020! The Treasure Island Sailing Center needs your help to continue making sailing more accessible. This year has been particularly challenging for TISC and other small non-profits. Please help us continue to serve our community and get youth out on the water! ...

The docks have been pulled and are safely stowed on shore! Thank you to the small group of dedicated volunteers who helped pull and clean them! A special thank you to the folks from the Treasure Island Yacht Club! #tisailing #docksout2020 #tiyc #socialdistancing #perfectdaytocleansomedocks

📸@yarrcat Thanks Ros!

Our Virtual Field Trip Ecology of the Bay is a hit! Students complete the lesson with a Nature Journal activity, meet Oliver the Sea Otter ;) #oceanstewards #zoomclasses @11thhourracing @noaasanctuaries ...

Session 3 Week 2! Can’t believe it’s almost over! #summervibes #youthsailing @siebelcoach_chris @ussailing @rssailing ...

Session Two.. that’s a wrap! Sailors have surprised us and themselves this summer. Keep the #fridayvibes rolling! #youthsailing #opti_stuff #opti_tv ...

Basketball!! Fun Day Friday at its best! #sailinggames #fridayvibes ...

Race team had a great day sailing around the cove today!

#tisailing #summercamp #stillmakingithappen #buffup #sailing #maskson

Scrub a dub Thursday! All clean for the next round of campers. Thanks sailors for keeping it healthy and safe! #stewardship #summercamp2020 #siebelsailors @rssailingna ...

Lasers for the win! Our Teens are loving the opportunity to single-hand and try new boats! @laserperformance ...

Friday Dance Party! Thanks @siebelcoach_chris and @ussailing for the Instagram take over and all the amazing work you are doing with us! Check out US Sailing’s story for more fun videos from this weeks camp! #youthsailing #summercamp ...

Stop, reflect, educate. #communitysailing ...

Week one Summer Camp success!! Happy campers all around. Thanks to all Instructors, Board Members, Parents, Sailors, and Siebel Program for making this possible! #youthvoice #summercamp2020 @siebelcoach_chris @ussailing @opti_nation @notraffy @xoakin @_captainkim @rileytimken @milesraneri @cazziekrome @spraylostatsea ...

Team TISC ready for our first day of Summer Camp on Monday. Couldn’t have asked for a better group of amazing humans. Remember campers to wear your face covering and you will receive a cool TISC Buff!!#summercamp2020 #youthsailing ...

Our staff are preparing for an unusual, yet amazing Summer ! This is how we support one another to provide a healthy and inclusive space for our youth! #summercamp2020 #youthsailing #stafftraining @siebelcoach_chris @sf_dcyf ...

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Mission of the Treasure Island Sailing Center

We create opportunities for people to learn and grow through sailing by providing facilities, sailing instruction, and access to the water for people of all socio-economic backgrounds, abilities and skill levels from novice to Olympian.

Our Vision

  • To provide San Francisco with a first rate community sailing center that provides universal access to and lifelong connections with the Bay.
  • To serve ALL children in our community and to teach them more than sailing.

The Treasure Island Sailing Center is a 501c3 (EIN: 31-1625735) non-profit community sailing organization

698 California Ave Building 112
San Francisco, CA 94130