About Santa Maria Bay
Santa Maria Bay is a renowned, shallow dive site nestled along one of Los Cabos' most famous coastlines, situated in Baja California Sur, Mexico. Located within the protective embrace of the Los Cabos corridor, this bay distinguishes itself with a unique underwater landscape, often described as a vibrant coral garden, offering a different topography compared to other marine park areas nearby. The site features a maximum depth of 18 meters (59 feet), making it widely accessible for divers of varying experience levels. Entry to the site is typically by boat, leading to a consistently sheltered environment. Submerged, divers explore gentle rock formations interspersed with colorful, thriving coral patches, which create essential habitats for diverse marine life. The overall configuration supports relaxed exploration, serving as a popular location for initial underwater experiences and skill development, including PADI Open Water Diver certifications. Encounters with marine life include frequent sightings of pelagic rays, white-tip reef sharks, spotted eagle rays, and sea turtles. Divers exploring the rocky crevices can often spot lobsters. The bay also hosts snapper, angelfish, seahorses, eels, and nudibranchs, alongside various corals and sea fans. Due to its naturally protected status, the bay typically offers predictable and favorable underwater conditions, with minimal surface chop and current. Divers can expect a comfortable and engaging experience, often making multiple dives here.
Highlights
Vibrant coral garden topographyFrequent pelagic ray encountersWhite-tip reef sharksSpotted eagle raysResident sea turtlesLobster hideouts in rocksAccessible shallow reef system
Best Season
The optimal period for diving at Santa Maria Bay spans from January to April, and then again in July, September, and November. These months generally offer pleasant air temperatures, moderate wave heights, and very low rainfall, contributing to excellent underwater clarity and comfortable diving conditions.
Dive site facts: Santa Maria Bay
- Depth
- 12–18 m
- Current
- No current
- Entry
- Shore / dayboat
- Level
- Beginner
- Dive type
- Reef, Reef
- Region / port
- Mexico
- Coordinates
- 22.9022° N, 109.8080° W
Conditions & Currents
Santa Maria Bay typically experiences consistently predictable and favorable underwater conditions due to its naturally protected status. Currents are generally mild, and surface chop is often minimal, making it an ideal site for relaxed exploration and divers of all certification levels. Entry is typically achieved via boat, allowing for a direct descent into the sheltered environment. Visibility generally ranges from 9 to 18 meters (30 to 60 feet) during the cooler winter months (January to May) and can extend to 15 to 45+ meters (50 to 150+ feet) during the warmer summer season (June to December). While thermoclines are not specifically mentioned for this site, the significant water temperature shifts between seasons (20-24°C / 68-75°F in winter, 27-32°C / 80-90°F in summer) suggest potential stratification depending on the time of year. These calm and clear conditions make the site suitable for less experienced divers and offer a comfortable setting for underwater photography.
Why dive Santa Maria Bay from a liveaboard?
Santa Maria Bay is one of Mexico's signature dive sites. A liveaboard sleeps you on the water and puts you in the water for three to four guided dives per day, including dawn and night dives that day-boat operators rarely offer. You skip the daily commute back to port and reach quieter, less-crowded sites in the same region on a single trip.
Below are the liveaboards that include Santa Maria Bay on their Mexico itineraries.
Liveaboards diving Santa Maria Bay
These liveaboards may visit Santa Maria Bay on selected itineraries — the exact dive sites depend on departure, weather and conditions.
Nautilus Explorer
Mexico
25 guests44.8 m
$230/day
Valentina
Mexico
20 guests38.1 m
$430/day
Rocio del Mar
Mexico
20 guests33.5 m
$392/day
Nautilus Under Sea
Mexico
19 guests32 m
$261/day
Nautilus Belle Amie
Mexico
32 guests44.8 m
$249/day
Quino del Mar
Mexico
20 guests36 m
$392/day
Nautilus Gallant Lady
Mexico
12 guests35.36 m
$332/day
Dive sites similar to Santa Maria Bay
Same character, same waters — six more sites divers love for the exact same reasons.Compare seasons, access and liveaboard routes — then pick the site that fits your trip best.
© Esri — Maxar, Earthstar, GIS
Tak Be Luum
Mexico
Cenote Tak Be Luum, located in the Mexican state of Quintana Roo, is an exceptional cavern dive that forms part of the vast Sac Actun underwater cave system, one of the world's largest.
- Suitable for
- Advanced
- Current
- No current
- Access
- Shore / dayboat
- Depth
- 4–9 m
- Theme
- Reef
© Esri — Maxar, Earthstar, GIS
Neptune's Finger
Mexico
Neptune's Finger is a renowned dive site located in Cabo San Lucas, Mexico, at the southern tip of the Baja California Peninsula.
- Suitable for
- Beginner
- Current
- Mild
- Access
- Liveaboard or dayboat
- Depth
- 4–152 m
- Theme
- Reef
© Esri — Maxar, Earthstar, GIS
Majahuitas
Mexico
Majahuitas is a pristine and secluded cove located on the southern coast of Banderas Bay, near Puerto Vallarta, Mexico.
- Suitable for
- Beginner
- Current
- Mild
- Access
- Dayboat
- Depth
- 8–14 m
- Theme
- Reef
La Poza is a remarkable dive site located in Xcalak, a serene fishing village situated on Mexico's Caribbean coast, near the Belize border.
- Suitable for
- Advanced
- Current
- Mild
- Access
- Shore / dayboat
- Depth
- 20–25 m
- Theme
- Reef
© Esri — Maxar, Earthstar, GIS
Siete Bocas
Mexico
Cenote Siete Bocas, meaning "Seven Mouths," is a unique cavern dive site nestled along the Ruta de los Cenotes near Puerto Morelos in Mexico's Riviera Maya.
- Suitable for
- Intermediate
- Current
- No current
- Access
- Shore / dayboat
- Depth
- ≤ 30 m
- Theme
- Reef
© Esri — Maxar, Earthstar, GIS
Sleeping Shark Cave
Mexico
Sleeping Shark Cave is a legendary underwater site situated off the eastern coast of Isla Mujeres, Mexico.
- Suitable for
- Intermediate
- Current
- No current
- Access
- Liveaboard or dayboat
- Depth
- 16–20 m
- Theme
- Reef