Auténticos Mariscos al Estilo Nayarit & Sinaloa

Las Islas Marías

Experience the vibrant flavors of the Pacific coast. From citrus-cured aguachiles and towering ceviche platters to mesquite pescado zarandeado and weekend live banda music.

Open today·Kitchen & Bar open until 2:00 AM Thu–Sun
Platillo de Mariscos Imperial
House Specialty

Torre de Mariscos Imperial

Shrimp, octopus, callo de hacha, avocado & house salsas

Featured dishes

Guest favorites, made to order with fresh Pacific catch daily.

Aguachiles Verdes EspecialesHouse Specialty

Aguachiles Verdes Especiales

$24.50

Raw shrimp butterflied and cured in fresh lime juice, serrano chili salsa, cucumber, and crisp red onion.

Aguachiles Negros Mazatlecos

Aguachiles Negros Mazatlecos

$25.95

Jumbo shrimp cured with house roasted habanero black sauce, crushed sea salt, avocado, and toasted chiltepín.

Coctel & Ceviche de Camarón

Coctel & Ceviche de Camarón

$21.00

Tender Pacific shrimp diced with ripe Roma tomatoes, cucumber, red onion, cilantro, and fresh lime, served with tostadas.

Torre de Mariscos ImperialChef Choice

Torre de Mariscos Imperial

$32.50

Tower stacked with cooked and raw shrimp, tender octopus, callo de hacha, avocado, and tangy house red and black salsas.

Authentic Mariscos

Our secret recipes come directly from coastal Nayarit and Sinaloa, featuring raw lime-cured shrimp, callo de hacha, and whole charbroiled fish.

Live Banda & Entertainment

Enjoy unforgettable weekend nights with live regional Mexican banda and norteño groups, festive drinks, and late-night kitchen service until 2 AM.

Celebrations & Banquets

From large family birthdays to wedding anniversaries and company dinners, we host group table reservations with attentive bilingual service.

Our Story

Bringing the Pacific Coast of Mexico to Ontario

Founded with a passion for traditional Mexican mariscos, Las Islas Marías serves Ontario and the Inland Empire with seafood crafted exactly as it is along the coasts of Nayarit and Mazatlán.

Every ceviche is freshly diced, our signature dark and green chiltepín salsas are blended in-house, and our Micheladas Preparadas are legendary. Whether you come for lunch or stay for our weekend live music, our doors are open with genuine warmth.

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Fresh Daily Deliveries
Interior at Las Islas Marias

Come hungry

Platters meant for sharing, ice-cold drinks, and genuine hospitality.

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Ready to order?

Order online for fast pickup or delivery, or reserve a table for your family gathering.

Find us

Located on W 6th St in Ontario with spacious parking.

Opening Hours
Monday
12:00 PM – 9:00 PM
Tuesday
12:00 PM – 9:00 PM
Wednesday
12:00 PM – 9:00 PM
Thursday
12:00 PM – 2:00 AMLate Night & Live Banda
Friday
11:00 AM – 2:00 AMLive Music
Saturday
11:00 AM – 2:00 AMLive Music
Sunday
11:00 AM – 2:00 AMFamily & Banda