How deep is Half Moon Wall?

Half Moon Wall ranges from 12 to 30 metres deep (39–98 feet). It is a saltwater site rated as intermediate difficulty. Depths vary across the site, so plan your profile to your training and verify conditions locally.

Is Half Moon Wall a shore dive or a boat dive?

Half Moon Wall is a boat dive — access is by boat rather than from shore. The entry area is recorded as moderately exposed to surge. No facilities are recorded at the site, and cell service is recorded as good. Entry details and parking notes, where known, are listed in the access section of this page.

When is the best time to dive Half Moon Wall?

Researchable year-round when offshore sea state allows. Confirm wind, swell, visibility, and whether the operator itinerary includes Half Moon Caye Wall. Access can depend on protected-area rules, operator routing, weather, and offshore logistics. Confirm before travel. Conditions vary, so check the latest reports and forecasts on the dive site page before your trip.

What will I see at Half Moon Wall?

Divers at Half Moon Wall in Belize commonly report sightings of Desmacella annexa, Ocyurus chrysurus, Diodon eydouxii, Acanthemblemaria spinosa, and Favia fragum. Desmacella annexa, Ocyurus chrysurus, Diodon eydouxii, Acanthemblemaria spinosa, and Favia fragum are recorded as common sightings. Marine life varies by season and conditions—check the site page for recent diver observations and photos.

What hazards are recorded at Half Moon Wall?

Depth creep, wall or blue-water disorientation, current, offshore boat logistics, fragile reef contact, and protected-area rules. Hazards and conditions change, so verify current local information before diving.

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IntermediateBoat entry

Half Moon Wall

Lighthouse Reef, Belize

Open Water suggested12–30 m depthBoat entryRash guard or 2mm shorty typical

Boat dive — see Entry & access.

Half Moon Wall at a glance

Half Moon Wall is an intermediate boat dive site in Lighthouse Reef, Belize with depths of 12–30 m (39–98 ft). Typically most favorable Sep · from 3 years of archive data. Divers commonly see Desmacella annexa, Ocyurus chrysurus, and Diodon eydouxii. Recent reports put the water around 30°C (86°F). Check the latest conditions and entry details before you go.

Marine model · graded just now

0.8 mwaves — under a meter expected

Tap a factor for its source and model point · Forecast 30°C · seasonal avg 30°C

Site hazards: Depth creep, wall or blue-water disorientation, current, offshore boat logistics, fragile reef contact, and protected-area rules.

Read the full hazards ↓

Dive windows this week

Best: Fri

Fri6:00–18:00

Sat8:00–18:00

Sun6:00–18:00

Mon11:00–18:00

Tue6:00–18:00

Wed6:00–18:00

Thu—

Favorable windowModerate window— no window

First light 5:16 · Sunrise 5:37 · Sunset 17:55

Source: Open-Meteo marine · model point 0.6 km from site · graded just now

Forecast only — always assess conditions on site.

Recent diver reports

Dated firsthand observations from divers — not current conditions.

No diver reports for this site yet. — one dated observation helps every diver after you.

Dived here today — did the forecast match?

What Divers Say

Known for: Desmacella annexa, Ocyurus chrysurus, Diodon eydouxii

Best time: Researchable year-round when offshore sea state allows. Confirm wind, swell, visibility, and whether the operator itinerary includes Half Moon Caye Wall.

Based on community reviews and site data. Conditions vary — always verify before diving.

Best months, historically

What conditions have historically been typical at this site, month by month — not a forecast.

Jan52%27°C1.5 m
Feb44%27°C1.5 m
Mar41%28°C1.5 m
Apr53%28°C1.5 m
May41%29°C1.4 m
Jun44%30°C1.5 m
Jul45%29°C1.4 m
Aug87%30°C1.0 m
Sep96%30°C0.9 m
Oct83%30°C1.0 m
Nov71%29°C1.3 m
Dec54%28°C1.4 m

September hastypically had the largest share of favorable days here. Conditions vary year to year — this is historical context, not a forecast.

Based on 3 years of archive data. Bar height shows the share of days each month whose conditions have historically scored favorably.

Marine life seen at this site

Species noted at this site — not a promise of what you’ll encounter.

Species seen here

Fills & rentals nearby

No dive shops mapped within 25 km. Know one? Add it to the map.

Featured wall dive guide

Half Moon Wall dive guide

Half Moon Wall is useful as a featured guide because divers search it as a Caribbean wall-dive planning term. This page focuses on practical research: wall profile, boat logistics, marine-life expectations, conservation context, and the need to verify exact operator location before booking.

Open map Check conditions Compare nearby sites Read reviews

PickADive guides and forecast windows are planning context, not a safety clearance. Confirm current conditions, rules, training limits, and operator guidance before diving — the decision is yours.

Difficulty: Route-dependent
Access: Confirm boat plan
Best for: Wall-dive research
Planning note: Verify coordinates; Names can vary by operator.
Depth: 12-30m; Confirm your plan against current conditions and training.
Best time: See timing notes; Researchable year-round when offshore sea state allows. Confirm wind, swell, visibility, and whether the operator itinerary includes Half Moon Caye Wall.

Why dive Half Moon Wall

The value of this guide is search clarity. "Half Moon Wall" can appear in Caribbean itinerary research, and divers need help moving from a famous-sounding wall name to practical questions about where the operator goes, how deep the route runs, and what conditions are expected.

How to dive it

Treat it as a guided boat dive unless a local operator gives different instructions. Ask for the exact mooring or route, maximum planned depth, current expectations, surface interval plan, and whether the dive is paired with another site on the same trip.

Marine life and site character

Wall dives are usually researched for reef scenery, drop-off structure, fish movement, and the chance of larger passersby. Sightings are never guaranteed, so choose the site for the overall route and conditions instead of one hoped-for animal.

Best season and conditions

Use operator seasonality and current conditions together. Wind, swell, current, visibility, and boat schedule can all matter more than a broad destination calendar.

Hazards and diver readiness

Depth creep, current, blue-water disorientation, boat pickup logistics, and separation from the wall are the main planning concerns. Carry appropriate signaling gear and stay within the guide plan.

Local tips

Because the name can be used differently across operators and maps, confirm the exact country, reef system, and site coordinates when booking or comparing reviews.

Common questions about Half Moon Wall

Is Half Moon Wall a beginner dive?

It depends on the actual route, current, depth, and operator plan. Wall dives can become advanced quickly if divers descend too deep or conditions change.

What should I ask the dive operator?

Ask for the exact site location, maximum planned depth, current expectations, pickup plan, required certification, and whether reef or marine-park rules apply.

What makes a wall dive different from a shallow reef?

A wall can make depth control and buddy positioning more important because the bottom may drop away quickly. Plan your maximum depth before descending.

Why does PickADive say to verify the exact location?

Imported map data can be incomplete. For famous or similarly named sites, the safest research path is to confirm coordinates and local naming with the operator.

Data updated June 2026

Site details

Half Moon Wall is the wall-dive area associated with Half Moon Caye on Lighthouse Reef, Belize. It is commonly researched with Great Blue Hole trips because Lighthouse Reef combines a shallow lagoon, coral shelf edge, vertical walls, Half Moon Caye Natural Monument, and nearby famous reef sites. Plan it as a guided boat wall dive where route and maximum depth are set by the operator.

boatreefwall

Depth creep, wall or blue-water disorientation, current, offshore boat logistics, fragile reef contact, and protected-area rules.

Reviews

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