BOYNTON BEACH SCUBA FIELD GUIDE
Deep into the Castor: AOW and Nitrox Only — Witness the Goliath Grouper Aggregation off Boynton Beach
An advanced two-dive outing from Boynton Beach that centers on the M/V Castor wreck at depths to 113 ft and a second 50–60 ft reef dive — this guide explains what to bring, what to expect, and operator requirements.
Deep into the Castor: AOW and Nitrox Only — Witness the Goliath Grouper Aggregation off Boynton Beach.
This Starfish Scuba outing drops you onto the wreck of the M/V Castor to witness a concentrated aggregation of Goliath Grouper, then follows with a shallower reef dive; the profile and conditions make this an advanced scuba experience that requires Advanced Open Water certification and Enriched Air/Nitrox.
Highlights
Outing Highlights
M/V Castor and the Goliath Grouper Aggregation
The first dive is on the M/V Castor, where the wreck has become a staging ground for large Goliath Grouper; the site reaches maximum depths near 113 ft, creating a dramatic, deep-wreck environment.
A Vibrant 50–60 ft Reef
After the deep wreck work, the trip returns to a 50–60 ft reef for a more relaxed, scenic dive that balances the technical profile of the first drop.
Snacks, Music and Good Vibes Afloat
The operator provides water, light snacks and music aboard, creating a social atmosphere between dives while you surface, gear up and debrief.
What the day feels like
What the Day Feels Like
The trip is structured around an intense first dive on the Castor wreck to see the Goliath Grouper aggregation at depths approaching 113 ft, followed by a second, more forgiving reef dive at 50–60 ft; operators keep the vibe relaxed on deck with water, light snacks and music, but divers must be prepared for variable conditions and the demands of deep diving.
Suitability
Who it's for
Who this outing fits — and who should reconsider.
Practical planner
Details to review before reserving
Bring your certification card, personal dive gear unless renting, gloves, a water container, towel, sunscreen, sunglasses and a smile; Enriched Air (Nitrox) capability is required.
The operator provides water, light snacks and music during the trip.
Review cancellation policies before reserving.
Frequently asked questions
Planning Your Outing
Do I need any specific certifications to join this trip?
Yes — Advanced Open Water certification is required and Enriched Air (Nitrox) is mandatory for this dive profile.
How deep are the dives on this trip?
The first dive on the M/V Castor reaches maximum depths of about 113 ft; the second dive is on a reef at roughly 50–60 ft.
Is a divemaster in the water with us?
A divemaster will not be in the water unless hired as a private guide; private guide services are available for additional cost.
What are the rates?
Certified AOW/Nitrox divers start at $85; private dive guide options and bubble-watcher fares are available at additional fixed rates.
What is included on the trip?
Included are water, light snacks and music aboard the boat between dives.
Can conditions change the plan?
Yes — conditions can vary and the operator notes that this is an advanced dive; divers should be prepared for variations in conditions.