exploretooele.org · Tourism
County visitor page describing the inland-sea attraction and visitor hours.
Dive Spot Guide•
Bonneville Seabase
Warm inland sea in Grantsville with tropical fish and training habitats.
A warm saltwater spring complex built for dive training, with multiple habitats, camping, showers, rentals, and sheltered warm-water conditions.
About Bonneville Seabase
Geothermally heated inland sea in Grantsville, just off SR-138 northwest of town, with three linked habitats, a shallow training bay, a larger central bay, and a deeper basin used for dive practice. The site is built around warm spring water, sheltered entry areas, camping and rental amenities, and low-visibility conditions that favor controlled planning. Confirm current scuba and snorkel operations before traveling.
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Research Estimate At Bonneville Seabase
Conservative baseline from public research. No community dives logged yet.
VisibilityVisibility: 2m
AccessModerate entry effort
Aquatic LifeGreat variety
FacilitiesGood facilities
CurrentNo current
SurgeFlat calm
Where Is Bonneville Seabase?
This spotNearby spotsExplore nearby spots on the map
Community sourced coordinates.
Bonneville Seabase Planning Details
Depth range, seasonality, and planning context.
Reported Depth
Up to 18.9m
Depth Note
The Abyss reaches 62 ft / 18.9 m; White Rocks Bay is the shallowest habitat, with other bay/training areas and a 60-ft platform.
Typical Conditions
Warm spring-fed water, sheltered bays, and low visibility.
Safety & Access At Bonneville Seabase
Site conditions, restrictions, and access requirements.
Access Restrictions
Confirm current scuba/snorkel operations before planning a visit.
Local Intel For Bonneville Seabase
Community notes to help plan your visit.
Scuba Diving
Set up with separate areas intended for diving, skill testing, and training.
Recent Logged Visits At Bonneville Seabase
Community dive logs and visit reports for this site.
Dive Spot Log Averages At Bonneville Seabase
Average conditions based on logged dives & visits.
Conditions
Avg. Visibility2m
Activity
No dive activity logged yet.
