
An intimate, beautifully styled venue in San Antonio’s King William District, designed for weddings, celebrations, corporate gatherings, and meaningful community events.

Where ceremony and celebration come together effortlessly in a historic setting.
From photographers to caterers and creatives, our trusted vendors are here to support events of all styles and occasions.


Flexible packages, clear pricing, and everything you need to celebrate stress-free. Find the perfect fit for your special day.
Thoughtful floral designs, event coordination, a cozy casita, and more.

Who we are
Welcome to King William’s Casa de Corazón, where celebrations feel intimate, heartfelt, and full of charm. It’s a space designed for connection, beauty, and lasting memories.
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King William’s Casa de Corazón
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Welcome to the Venue
Ready to say “I do” in a hidden gem? Tucked into San Antonio’s King William District, our intimate venue is filled with charm, love, and the warmth of home — the perfect place for a day to remember.
"We celebrated my birthday and anniversary at Casa de Corazón, and I had one heck of a time. Great music, plenty of dancing, good drinks, and even better people all around. The place was full of life, and we made memories I won’t forget."
— Rod Logston and Norma Gonzales (Birthday Party/Anniversary - May 2026)
"I’m not one for much fuss, but my family put together a birthday gathering for me at Casa de Corazón, and I have to say—it was just right. Comfortable, easygoing, and full of good people. Seeing everyone together, enjoying themselves, sharing a drink and a few laughs… that’s what made it special."
— Rick Martinez (84th Birthday - March 2026)
"There were lots of balloons and all my friends came and we had so much fun. It felt like a happy party place and I loved it so much!"
— Anikka (Birthday Party - March 2026)
"We hosted a baby shower at Casa de Corazón and it could not have felt more warm and welcoming. The atmosphere is peaceful and intimate, truly like gathering in a beautiful home. It was comfortable, thoughtfully arranged, and made the entire day feel meaningful and relaxed."
— Anissa Riggs (Baby Shower - November 2025)
"Casa de Corazón was absolutely PERFECT for my wedding shower! The space has so much charm and they really let us keep everything authentic to us, which made it feel extra special. It was joyful, beautiful, and honestly just such a vibe — I loved every second of it!"
— Emily Arambula (Wedding Shower - July 2025)
“Our vow renewal couldn’t have been more meaningful. The setting was peaceful and full of charm, and Diane handled every detail with care. It felt like a reflection of every year of our love. Our day was simple, heartfelt, and unforgettable.”
— Lupe (Vow Renewal - July 2025)
“Celebrating 60 years of marriage surrounded by family in such a warm and beautiful setting was a blessing. Casa de Corazón brought our story full circle with grace, care, and a space that felt like home. I couldn’t have imagined a better place to mark the moment.”
— Mrs. Martinez (Anniversary - December 2024)
“We held a celebration of life at Casa de Corazón, and it was exactly what we needed. It was peaceful, heartfelt, and grounded in love. The space gave us room to remember, to laugh, and to gather in a way that felt sincere. We are so grateful for the kindness and sensitivity Diane showed during such a tender time.”
— Theis Family (Celebration of Life - November 2024)
“Casa de Corazón was the perfect setting for our wedding. It was intimate, thoughtful, and full of character. Diane made everything feel seamless, and the florals were exactly what I envisioned. It felt like our day in every way.”
— Zina (Wedding - July 2024)


“Casa de Corazón embraced our Hindu wedding with such care and openness. The space was beautiful, Diane was incredible, and we truly felt seen and supported. A place that truly honored our love.”
— José (Wedding - June 2023)
King William’s Casa de Corazón
Who are we?
Casa de Corazón is a family-owned dream in the making. Although we have careers that are flourishing, Casa de Corazón was born from a deep love for connecting with our community. What began as a Thanksgiving dinner shared with neighbors soon blossomed into something even more special. We realized the joy in offering our space for a close friend’s intimate wedding, and that spark ignited our passion to create a place where love, celebration, and connection can thrive in the heart of King William.If you’re searching for a place where fun meets carefree charm, we’d love to hear from you! Whether it's a wedding, celebration, or special event, we’d be truly honored to host you and make your day unforgettable.As a way of giving back to the community we hold so close to our hearts, we are proud to donate 10% of our profits in your name to a charity of your choice from our Giving Back list. It’s our small way of making a big impact, together.


Diane Martinez
OWNER
Diane Martinez, a seasoned attorney with decades of legal experience, is bringing her passion for hospitality and eye for detail to the wedding world with the opening of King William’s Casa de Corazón. Though new to the industry, Diane is no stranger to dedication and excellence. With the support of her loved ones and a committed team, she’s excited to build a new legacy—creating a welcoming space where meaningful celebrations come to life with warmth, care, and heart.

Richard Theis
OWNER
Richard Theis, a longtime psychologist with decades of experience, brings a deep sense of intention and care to King William’s Casa de Corazón. As co-owner, Richard blends his understanding of human connection with a passion for creating spaces that foster joy and lasting memories. He holds a deep love for the city and the historic King William community. His thoughtful presence and collaborative spirit help ensure that every celebration at Casa de Corazón feels as personal as it is special.
“The best thing to hold onto in life is each other.”
— Audrey Hepburn
Make an impact today
When you choose Casa de Corazón, you are choosing to give back.10% of our profits will be donated in your name to a charity of your choice from the list below.
Their mission is to improve the lives of animals in the King William and Lavaca neighborhoods, with an emphasis on controlling the population.
Their mission is to create a future where LGBTQ+ people and their families thrive in a community of belonging, where liberation, safety, and dignity are lived realities for all people.
Their mission is to prevent the suffering and death of companion animals and to enrich the human-animal bond by providing excellent, accessible and affordable spay/neuter and veterinary care.
Their mission is to rescue and find loving homes for adoptable cats and dogs.
Their mission is to fight hunger in Southwest Texas through food distribution, programs, education, and advocacy.
Their mission is to deliver happiness to seriously ill kids and their families.
Their mission is to promote the dignity and independence of seniors who are in need of nutritious meals, companionship, and Alzheimer’s care.
Their mission is to offer a place of hope, love and new beginnings by providing, delivering or coordinating impactful care for people experiencing homelessness in our community.
Their mission is to empower families by providing essential products and support.
Their mission is to cure blood cancer and improve the quality of life of all patients and their families.
Their mission is to promote the health and welfare of the King William neighborhood by preserving the historic and residential nature of the neighborhood and by fostering educational, recreational, and cultural activities.
We're always eager to support causes that strive to make the world a better place. If you're planning a fundraiser or charitable event, we'd love to hear from you—reach out to inquire about hosting opportunities at Casa de Corazón.
King William’s Casa de Corazón
Our Preferred Vendors
We’re proud to support our fellow local businesses, especially those right here in our beloved King William district. We’ve thoughtfully partnered with the trusted vendors below to ensure the best experience on your big day. Interested in exploring menus, packages, or special offerings? Reach out to us! We’d love to share more.
Caterers

Liberty Bar
A beloved San Antonio icon, Liberty Bar brings flavor and character to every event. Housed in a beautifully restored historic building just minutes from our Casa de Corazón, Liberty Bar offers a soulful blend of American and regional cuisine, crafted with fresh, in-house ingredients.

Pizza Vesuvio
Also nestled in the heart of San Antonio’s King William District is a local gem, Pizzeria Vesuvio, which is known for its handcrafted pizzas and cozy ambiance. Pizzeria Vesuvio serves up bold, satisfying flavors that delight a wide range of palates, from classic comfort to unexpected bites.

Sari-Sari Filipino Restaurant
Sari-Sari Filipino Restaurant brings the rich, vibrant flavors of the Philippines to San Antonio. Family-owned and rooted in tradition, Sari-Sari crafts each dish with heart and heritage. It's a flavorful addition to any celebration, perfect for sharing culture and connection through food.

Augie's Barber Wire Smokehouse
Augie’s Barbed Wire Smokehouse at 3709 N St Mary's St in San Antonio, TX, has served Texas BBQ since 2004. Family-owned and operated, we smoke brisket, ribs, sausage, and chicken low and slow on our iron pit. Our homemade sides and country-style hospitality make every guest feel at home. Locals, park visitors, and longtime fans all come to enjoy filling plates and a relaxed atmosphere.
Cakes & Sweets

Duck Donuts
A delightful addition to any celebration, Duck Donuts San Antonio is known for its warm, made-to-order donuts, and playful flavor combinations. Perfect for weddings and special events, they offer custom donut walls that double as both a stunning display and an unforgettable treat.

Cherry Treats Bakery
Cherry Treats Bakery brings heart, artistry, and unforgettable flavor to every celebration. Founded by self-taught baker Charity, CTB specializes in custom, made-from-scratch cakes that are as beautiful as they are delicious. Each creation is crafted with care and high-quality ingredients, making every dessert a meaningful centerpiece for your special day.
King William’s Casa de Corazón
Additional Services
You don't have to do it alone! We offer a variety of inhouse services that can assist and accomodate you as you prepare for your big day.
Florals Without the Fuss
We get it - floral costs can add up fast. That’s where we come in.At Casa de Corazón, our in-house floral and décor services are designed with both beauty and practicality in mind. We create thoughtful, budget-friendly designs that feel elevated and effortless. And because we believe your day should be stress-free from start to finish, setup and teardown are always included when you book us as your florist. No surprise fees, no fuss.We may not have a warehouse or a large team—but what we do have is heart, creativity, and a genuine love for the little details. We’re here to bring your florals to life in a way that feels personal, meaningful, and completely you. Let’s make some magic together, minus the stress.

Step One: You Dream It
Share your vision, your favorite blooms, and the vibe you’re going for. We’re all ears. We can also provide you some guidance along the way!

Step Two: We Create It
We’ll design florals that bring your dream to life, tailored to your style and celebration.

Step Three: You Approve It
Review, tweak, and give the final “yes” before your big day. It’s all about making sure it feels just right.
Our floral design services are available for all packages, giving you the flexibility to add custom blooms to your celebration.Not booking a full event with us? No problem! Our floral offerings are also available as a standalone service, perfect for couples who simply want beautiful, thoughtful arrangements without the full venue package. Contact us today to inquire about pricing.
Event Coordination
Let’s make your dreams come true!
Casa de Corazón offers day-of event coordination starting at $500 for clients who want support managing the details on the day of their celebration. This service includes timeline review, vendor communication, on-site setup guidance, and coordination throughout the event.While we don’t handle full event planning, our team will oversee logistics, keep things on track, and act as your point of contact throughout the day so everything you’ve worked hard to organize comes together just the way you envisioned.

Please reach out to us if you are interested in this service!
Rental Pricing / A La Carte
Whether you're celebrating with us at Casa de Corazón or planning your event elsewhere, we offer a thoughtfully selected inventory of rentals to elevate your day. Our pieces are available to both venue clients and outside renters looking for quality, style, and convenience.
- 60" white tables (up to 10): $6.50 each
- White padded chairs (up to 100): $2.50 each
- White linen table cloths: $8.00 each
- Runners (color options): $10.00 each
- White napkins: $.50 each
- 8' table with linens: $20.00 each
- 6' table with linens: $18.00 each
- 4' table with linens: $16.00 each
More information on our pricing page!
This page is under construction!
We are currently in the process of working on our Casita de Corazón and will provide information on this page as it becomes available. Thank you for your patience!
King William’s Casa de Corazón
Frequently Asked Questions
How do I reserve a date?
Email [email protected] or call/text + 1 (210) 363 - 6082 to reserve a date. A signed agreement and half the package rate (to include a la carte services) are required to secure your date. The final payment is due 3 months prior to the event.
What is the capacity for events?
Casa de Corazón can comfortably host 150 guests. If you anticipate having more than 150 guests, please reach out to us to discuss.
When can I schedule the rehearsal?
The rehearsal is typically scheduled in the afternoon a day or two prior to the wedding. We're also very flexible!
Do I have to use only your preferred vendors?
No! You can choose any vendors that you would like. We only provide a preferred vendor list so you can get started with some high-quality recommendations!
What is the guest parking situation?
As we are located in the heart of King William, we do not have a parking lot at this time and rely on available street parking. Please reach out to us for details and pricing.We highly recommend encouraging guests to carpool or utilize rideshares.
What time can my vendors arrive on the day of my event?
We're very flexible on what time your vendors can drop off/pick up after the event!
Where can my guests stay?
There are many lodging options near Casa de Corazón in downtown San Antonio. If you need any specific recommendations, please reach out to us!If you'd like to stay on our on site AirBnB, you can click here for more details.
Do you provide a wedding planner?
We do provide wedding planning services, and we will work with you from beginning to end to plan your big day. We also provide wedding coordination services at an additional cost. For details about these services, please reach out to us for more information!You are more than welcome to hire your own planner and get them in contact with us so we may work together to get your perfect day in order!
King William’s Casa de Corazón
Our Packages

King William’s Casa de Corazón

King William’s Casa de Corazón

King William’s Casa de Corazón










