Join Us
We are the largest dive shop in the Tri-State, and the only one with an onsite heated pool. While our pool is a huge asset for year-round training, we think it’s our friendly staff and community of diving enthusiasts that set us apart.
Newsletter
Register with our dive shop to receive our quarterly newsletter and news about upcoming dive trip destinations and continuing dive education.
Photo Albums
Not your boring vacation slides (at least not for us divers). See where we’ve been and what we saw on the reef. Send us your best shots.
Resources
Quick links for PADI and DAN plus your favorite diving magazines, websites and books. Go here when you want to relax and browse. Recommend a resource to us.
Meet our Staff
- Linda Krailler, Co-owner & Manager
- Frank Krailler, Co-owner & Certified Dive Technician
- Frank Krailler, Jr., Assistant Manager
- Kim Hackney, Instructor
- John Bergerhouse, Instructor
- Bruce Carlson, Instructor
- Keith Harpold, Assistant Instructor
- Walter Roth, Instructor
- Susan Scferra, Assistant Instructor
- Tom Simpkins, Instructor
Give Us Your Feedback
It’s your dive community, so let us hear from you. Share your ideas for travel, classes, educational or social events, or whatever else is on your mind. Let’s build a great community at Underwater World!
Map & Directions
From I71 North-bound
Exit 24 Kings Island Dr.
Go to the first traffic light
Right onto Western Row Rd.
Right onto Columbia Rd.
2.2 miles on right
From I71 South-bound
Exit 25 Kings Mill Rd.
Turn left onto Kings Mill Rd.
Right onto Kings Island Dr.
Left onto Western Row Rd.
Right onto Columbia Rd.
2.2 miles on right
From Montgomery Rd (22/3)
Turn north on Columbia Rd.
Immediate left turn at 8837 Columbia Rd.
Store Hours
Monday – Thursday 11:00 am – 8:00 pm
Friday 11:00 am – 5:00 pm
Saturday 10:00 am – 5:00 pm