Scuba Diving at The Aquarium

Diving atThe Aquarium (Belize)

Long Caye Aquarium, found on the western side of Belize's Lighthouse Reef Atoll, features a dramatic ocean reef wall. A defining characteristic, the wall descends 15 m (50 ft) before continuing to maximum depths of 43-46 m (140-150 ft). Classified as an ocean reef wall, it offers opportunities for drift diving. Its varied topography and diverse marine life make the area accessible for all skill levels; however, deeper sections require advanced considerations.

Tonight's objective overview for The Aquarium shows an air temperature of 29°C. The measured surface conditions include wave heights around 1.8 m. This environmental data is logged for the close of the day.

Dive Site Location & Key Facts

Everything you need to know about this dive site.

Coordinates17.2254, -87.5945
Site Characteristics
Ocean
Max Depth45m / 148ft
Entry Type--
Water Typesalt
Dive Types
DeepDriftReef

Dive Site Overview

Diving into Long Caye Aquarium immediately reveals a vibrant ecosystem, earning its descriptive name from the dense collection of invertebrates and varied marine life. Many divers consider it a compelling Belize destination due to the lively underwater environment and dramatic wall.

A magnificent wall structure defines the site, beginning around 15 meters (50 feet) and extending to approximately 45 meters (150 feet). Coral ridges extend perpendicularly from the main reef, forming natural shelters and hideaways for countless smaller organisms, significantly contributing to the site's rich biodiversity. Along the shallower reef crest, a distinctive 'table-top' coral formation provides habitat for numerous reef fish.

Deeper exploration on the wall frequently reveals specialized species such as delicate deep-water lace coral and striking black coral, adding distinct textural elements to its diverse benthic landscape. Combined with consistent marine activity, the site's impressive natural architecture makes it an attractive spot for underwater photography, appealing to a wide range of diver experiences.

The Aquarium

Conditions are Moderate

5/10
Confidence: 8/10
Indicates meteorological model agreement and data availability.

Best Dive Window

Optimal conditions expected

06:12
18:45
H: 10:45
L: 16:20
Air / Sea Temp
29° / 29°
Wave Height
1.7 m
Wind Speed
39 km/h E
Rain Chance
50%

Current conditions near The Aquarium show 29° air, 29° sea temperature, 1.7 m waves, and 39 km/h wind. Forecast data is refreshed regularly to ensure accuracy.

Radius: ~12km
Updated: Jun 12, 2026, 16:22 local time
MARINE: OPEN-METEOWEATHER: YR.NO

Best Time to Dive

For an optimal dive experience at The Aquarium, the period from August through October generally offers the most favorable conditions, earning 'Good' dive scores. During these months, air temperatures are consistently warm, averaging between 27.5-29°C (82-84°F). This period is also characterized by reduced wave heights, typically below 1 meter (3.3 feet), and lighter winds around 26-28 km/h (16-17 mph), which often results in calmer surface conditions. While rainfall tends to be higher in October and November, this doesn't significantly detract from the overall dive experience, especially with the prevailing calm. Drier months from February to May also offer moderate dive conditions with very low rainfall, often less than 1 mm, and air temperatures averaging 25-28°C (77-82°F). Divers should anticipate more robust winds and wave action, ranging 1.3-1.4 meters (4.3-4.6 feet), particularly from December through June.

PEAK SEASON SCORE

72/100
Good

Scores combine air & water temps, waves, wind & rainfall for overall conditions.


BEST MONTHS TO DIVE

AUG
SEP
OCT
DIVE SCORE
(0–100)
61
JAN
65
FEB
62
MAR
61
APR
64
MAY
58
JUN
62
JUL
73
AUG
74
SEP
69
OCT
60
NOV
61
DEC
AIR TEMP (°C)
26
26
27
27
28
29
28
29
29
28
27
26
WAVES (M)
1.4
1.3
1.4
1.4
1.3
1.4
1.3
0.9
0.9
1.0
1.2
1.3
WIND (KM/H)
32
32
33
34
33
34
33
28
26
28
28
31
RAIN (MM)
5.3
1.2
1.2
0.9
0.8
5.0
5.0
4.9
6.5
8.9
13.9
8.4
DIVE SCORE GUIDE (0–100)
Excellent (90–100)
Very Good (80–89)
Good (70–79)
Moderate (50–69)
Poor (30–49)
Not Recommended (0–29)

Monthly records compiled from satellite and marine observation nodes over the last 3 years. Data provided by Open-Meteo and MET Norway.

Dive Experience & Conditions

Currents can be a significant factor at The Aquarium, particularly given its designation as a potential drift dive and its exposed position on the western side of Lighthouse Reef. While specific current speeds vary, divers should be prepared for moderate to strong flows, especially along the wall and deeper sections. This site presents a notable 15-meter (50-foot) vertical wall descending towards deeper reaches, eventually plateauing around its maximum depth. Shallower areas feature vibrant reef tops with distinctive table-top coral formations. Further down the wall, divers encounter intricate coral ridges that run perpendicular to the main reef, creating numerous crevices and overhangs for marine life. These structural elements interact with the currents, shaping a dynamic environment. Visibility is often excellent, characteristic of open ocean sites, though local conditions can influence it.

Dive Difficulty & Safety Guidelines

Approaching Long Caye Aquarium requires divers to consider its varying depths and conditions. While shallower reef crests and upper wall portions welcome less experienced individuals, the site's maximum depth of 43-46 meters (140-150 feet) extends well beyond typical recreational limits. Planning to descend to deeper wall sections demands appropriate advanced certifications and experience with deep diving protocols. Potential currents, sometimes strong enough for drift diving, necessitate proficient buoyancy control and the ability to manage varying water movement. Diving with a trained guide familiar with local conditions is always prudent. Maintain adequate air supply, monitor no-decompression limits carefully, and carry signaling devices.

Recommended Equipment

Technical depth range. Advanced planning, gas management, and appropriate certification required.

Current and surface separation risk. Local briefing strongly recommended.

  • Dive Computer
  • DSMB
  • Primary & Backup Lights
  • Reel / Spool

This gear list is based on verified equipment signals for The Aquarium, Belize. Always confirm final gear choices with your dive operator, guide, or liveaboard.

Recommended Dive Suit

According to recent observations, water temperatures near The Aquarium are approximately 29°C (84°F). Surface air temperatures are resting at 29°C (84°F).

Weather projections show fairly stable environmental conditions ahead.

Most divers would typically feel comfortable using 2-3mm shorty or light wetsuit in these conditions. Consider warmer surface protection (like a boat coat) due to brisk winds. Dive depth and duration can significantly affect perceived warmth. Stronger winds may also make surface intervals feel cooler than usual.

The Aquarium conditions last reviewed: 16:22 local time (UTC-6), Jun 12, 2026

Due to technical issues with our weather providers, live updates are temporarily delayed. The data above reflects the conditions at the time of the last successful fetch.

Emergency & Medical Support

Essential information to help you plan your dive trip to The Aquarium.

Hyperbaric Chamber

Hyperbaric chambers are a critical part of dive safety infrastructure. Availability varies significantly by region, and not all dive areas have immediate access.

Before diving, it's recommended to:

  • confirm nearest medical facilities
  • check emergency procedures with local dive operators
  • ensure dive insurance covers evacuation if required
24/7 Available

Divers Alert Network

Diving emergency assistance available through DAN World.

+1-919-684-9111
  • 24/7 emergency hotline
  • Diving medical assistance
  • Evacuation coordination
View official DAN emergency contacts

Emergency contacts are provided for reference. Always verify local emergency services before diving.

Marine Life at The Aquarium

Long Caye Aquarium immediately impresses with a profusion of invertebrates, a feature contributing to its descriptive name. Divers often first notice the abundance of smaller creatures, with shrimp frequently observed among coral formations and within crevices. Larger species like grouper, parrotfish, and sergeant major traverse the reef and wall, adding vibrant color and movement. Pintano are also commonly sighted gliding past. Coral topography is a highlight, featuring extensive table-top corals in shallower areas. Deeper on the wall, divers can spot more specialized forms such as delicate deep-water lace coral and striking black coral. Many organisms find shelter within numerous holes and ledges of the perpendicular coral ridges.

Image contributors:Ewa Barska
Want to contribute photos or local dive knowledge? Learn how to contribute

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Nearest Airports

Nearest airports to help plan travel to this dive area.

Caye Chapel AirportCYC
70 km
Sir Barry Bowen Municipal AirportTZA
72 km
Dangriga AirportDGA
73 km
💵Currency:BZD

Search Flights

Check available flights and routes on Expedia, using the nearby airports listed in this section.

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Frequently Asked Questions

What is Long Caye Aquarium's typical depth range?

Long Caye Aquarium includes shallower reef-top areas and a wall profile that can reach about 45 m / 148 ft. Less experienced divers usually stay on the shallower reef sections, while deeper wall portions require more experience and careful dive planning.

What marine life can divers expect to see?

Long Caye Aquarium is known for a variety of invertebrates, including numerous shrimp. Divers frequently encounter grouper, parrotfish, sergeant major, and pintano among the corals and along the wall.

Is Long Caye Aquarium suitable for all diving levels?

Long Caye Aquarium can suit different certified divers depending on the route chosen. Shallower reef areas are more manageable, while the deeper wall profile requires advanced experience, careful gas planning, and good buoyancy control.

What types of coral are present at the site?

Exhibits table-top coral formations on the reef top and features extensive coral ridges with holes. Deeper sections of the wall host deep-water lace coral and striking black coral, contributing to its diverse ecosystem.

What are the typical water conditions?

Visibility is generally excellent, characteristic of open ocean sites, though local conditions can influence it. Currents can be present, and divers should be prepared for potential drift conditions during their dive.

When is the best time of year to dive Long Caye Aquarium?

Optimal time is typically from August to October for calmer surface conditions and warm air temperatures. However, moderate conditions persist throughout much of the year, with drier months from February to May also being popular.

Where exactly is Long Caye Aquarium located?

Known as Long Caye Aquarium, this dive site rests on the western side of Belize's Lighthouse Reef Atoll. It's typically accessed via a short boat trip from nearby dive resorts.

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