A Private Island Day Trip — 45 Minutes from San Antonio
Skip the SeaWorld lines and shared waterpark cabanas. Son's Island is a 3.5-acre private island on spring-fed Lake Placid where your group gets its own dock, palapa, BBQ pit, and shoreline for the day.
Wait — a Real Island?
3.5 Private Acres on Lake Placid
Yes — Son's Island is an actual island near New Braunfels, Texas. To get there, you actually cross a 100-foot wooden bridge, park on the island and then step onto your own reserved cabana with a private dock, kayaks, paddle boards, a BBQ grill, hammocks, the frog slide, and all-day shade.
A private 3.5-acre island on spring-fed Lake Placid at 110 Lee St, Seguin, TX — forty-five minutes east of downtown San Antonio on I-10. No theme-park gates, no per-person admission — one cabana, one calm day on the water.
Capacity-controlled, family-friendly, and quietly hosting Texas friends and families since 2014.
Check AvailabilityEverything You Need. Nothing You Don't.
Every cabana comes fully equipped for the perfect lake day.
Private Dock with Ladder
Hammock
Picnic Table + Bar Top
Charcoal BBQ Pit
Electricity + Fan
Running Water
Shaded Cabana
Beach Volleyball Access
Frog Slide Access
Cornhole + Lawn Games
Why Families & Friends Keep Coming Back
Moments of joy, relaxation, and togetherness on our private island.
What's Included With Every Cabana
One price, everything ready before you arrive. No add-ons required to have a full day.
- Reserved private cabana — yours all day
- Private dock with swim ladder
- Charcoal BBQ grill + picnic table
- Hammock + all-day shade
- Electricity + running water
- Beach volleyball + frog slide
- Entry for 8 guests (up to 15 with add-ons)
- Free parking for 2 cars
- Capacity-limited island — never overcrowded
Add Kayaks, Paddleboards & iFloats
Our most-loved upgrade. One wristband, unlimited 45-minute sessions all day — life jackets included.
Kayaks
Single & tandem sit-on-tops — paddle the calm Lake Placid perimeter.
Stand-Up Paddleboards
10'–11' all-around SUPs — flat, spring-fed water, great for beginners.
iFloats
Big floating lily-pad mats — lounge, jump, repeat.
$24.99
per person
All-day watercraft wristband
Unlimited 45-minute sessions · life jackets provided free
What to Bring (and What We Provide)
Pack light — the essentials are waiting on the island.
You Bring
- Cooler with ice
- Food & drinks (alcohol OK in cans)
- Sunscreen & hats
- Charcoal & lighter fluid
- Towels & swimsuits
- Fishing gear (optional, license required)
- Bluetooth speaker (kept neighborly)
We Provide
- Reserved shaded cabana
- BBQ pit + grate
- Picnic table + bar top
- Hammock
- Life jackets (all sizes)
- Restrooms + free parking
- Ice for sale on the island
House Rules — Quick Look
So everyone has a calm, easy day. No surprises at check-in.
-
No pets
Service animals welcome
-
No glass
Cans & plastic only
-
Alcohol OK
21+, please drink responsibly
-
Designated smoking
Marked areas only
-
Keep it neighborly
Low-volume music
-
All ages welcome
Kid-friendly island
-
Check-in 10:30 AM
Bridge opens then
-
Check-out 6:30 PM
Full daytime access
Affordable for Groups, Priceless for Memories
Split among 8 people? That's as low as $12.50 per person for a full day.
Weekdays and off-season = lower prices. Summer weekends = book early!
A Cabana Rental is Required to Enter Son's Island
55 private waterfront cabanas, each with its own private dock and swim ladder. One cabana reserves entry for up to 8 guests (15 max).
Area A - Cabanas
Key Cabanas
Area B - Cabanas
Area C - Cabanas
Activities
Private Island vs. San Antonio Waterpark Cabanas
Son's Island Day Cabana
- Fully private — your own island spot
- Entry for 8 included (up to 15 with add-ons)
- Charcoal BBQ pit + bring-your-own food & drinks
- Private dock, calm lake, kayaks & SUPs
- From $99 per cabana — flat price
SeaWorld / Schlitterbahn / Aquatica Cabana
- Shared deck with crowds a few feet away
- 4–6 guests typical, then per-person fees
- No grill, buy food on-site
- Shared wave pools & slides, no quiet water
- $300+ cabana + per-person park entry on top
Don't Take Our Word For It
Trusted by thousands of Texas families since 2014
"This was so much easier than the river. We'll be back every summer."
Rachel
Houston
"Wow!! What a wonderful place to take the family!"
Kevin
New Braunfels
"A bit of paradise in an unexpected location!"
Carole
Austin
"Clean, private, no riff-raff. Well worth the money."
Jim
San Antonio
"The kids had the best time kayaking and exploring. Already planning our next trip!"
Sofia
Dallas
"Such a peaceful spot for mommy-daughter time. We felt so relaxed."
Jasmine
Round Rock
"Perfect for our friend group getaway. The cabana was all ours!"
Marcus
Houston
"Best weekend ever! The water was amazing and the vibes were unmatched."
Carlos
Austin
"We come here every year for girls' day. Nothing else compares!"
Ashley
San Marcos
"Had my bachelorette here and it was absolutely perfect. Highly recommend!"
Brittany
Seguin
"Brought the whole family and everyone had a blast. Great for all ages!"
David
Corpus Christi
"So relaxing floating together. This place is a hidden gem!"
Maria
San Antonio
"Dad of the year award! The kids talked about this trip for weeks."
Ryan
Waco
"Even while expecting, I felt comfortable and relaxed here. Beautiful spot!"
Jennifer
Boerne
"The staff was amazing. The whole experience was awesome!"
Heather
College Station
What Your Day Looks Like
A typical Son's Island day — yours can be slower, livelier, or anywhere in between.
- 1
10:30 AM
Arrive, park free at 110 Lee St, cross the 100-ft bridge.
- 2
11:00 AM
Settle into your cabana. Swim off your private dock.
- 3
12:00 PM
Paddle the lake on kayaks, SUPs, or iFloats.
- 4
1:00 PM
Fire up the charcoal pit for a BBQ lunch at your picnic table.
- 5
3:00 PM
Hammock nap. Volleyball. Frog slide. Repeat.
- 6
6:30 PM
Pack up, head home tan, tired, and calm.
Simple as 1-2-3
Book, arrive, and enjoy. We handle the rest.
Book Online
Choose your date and cabana. Entry for 8 included.
Cross the Bridge
Drive across our 100-foot wooden bridge onto your private island.
Relax All Day
Swim, grill, kayak, nap in a hammock. Your cabana is home base.
Getting Here From the San Antonio Metro
Park at 110 Lee St, Seguin, TX 78155 — about 45 minutes from downtown, 40 from Alamo Heights, 50 from Stone Oak, 25 from Schertz / Cibolo. Free parking for 2 cars per cabana, steps from the bridge.
- Address: 110 Lee St, Seguin, TX 78155
- Parking: Free parking for 2 cars per cabana, steps from the bridge.
- Questions? Call 877-577-7667
Want to Make It a Weekend? Stay Overnight Nearby
Son's Island is day-use only this season — but our two nearby sister properties on spring-fed creeks have you covered for the night.
Son's Geronimo
21 identical creekside cabins on spring-fed Geronimo Creek.
- 2 queen beds + 2 day beds
- Full kitchen
- Private bath, hot shower
- A/C + Wi-Fi
- BBQ pit, fire pit, picnic table
- Large porch on the creek
Son's Rio Cibolo
100+ acres along 2 miles of spring-fed Cibolo Creek.
- Glamping cabins, bell tents & family cabins
- 2 miles of spring-fed Cibolo Creek
- 100+ acres of Hill Country
- Fire pits & BBQ pits at every site
- Kayaks & paddleboards on-site
- 20 min from San Antonio
Explore the Son's Island Getaways, LLC. Family
Six unique waterfront properties across the Texas Hill Country.
Check Your Date
Live availability — tap a date to pick your cabana.
Frequently Asked Questions
Is Son's Island actually a private island?
Yes — a 3.5-acre tropical island on Lake Placid near New Braunfels, accessed by a 100-foot wooden bridge. Each cabana booking gives you a private spot with your own dock, palapa, BBQ pit, and hammock.
How far is the drive from San Antonio?
About 45 minutes from downtown San Antonio via I-10 East. Park at 110 Lee St, Seguin, TX 78155, walk across the bridge, and you're on the island.
How many people can I bring?
Each day cabana includes entry for 8. Add up to 15 total at $10–$25 per extra guest. Children 2 and under are free.
Can we bring our own food and drinks?
Yes — bring coolers, food, and drinks including alcohol. The only rule is no glass containers anywhere on the island.
Is it cheaper than a SeaWorld or Schlitterbahn cabana?
Yes. Day cabanas start at $99 for your whole group's space. A comparable waterpark cabana usually starts at $300+ before per-person park admission.
Are kayaks and paddle boards available?
Yes — an all-day kayak & paddle board wristband is $24.99 per person and includes unlimited use of our fleet.
Your Private Island Day Awaits
Reserve your private cabana online in under 2 minutes. Weekends and holidays sell out — book early.