diff --git a/homeassistant/components/balboa/__init__.py b/homeassistant/components/balboa/__init__.py
index a86cd8d9507..1d2cd042918 100644
--- a/homeassistant/components/balboa/__init__.py
+++ b/homeassistant/components/balboa/__init__.py
@@ -17,7 +17,7 @@ from .const import CONF_SYNC_TIME, DEFAULT_SYNC_TIME, DOMAIN
 
 _LOGGER = logging.getLogger(__name__)
 
-PLATFORMS = [Platform.BINARY_SENSOR, Platform.CLIMATE, Platform.FAN]
+PLATFORMS = [Platform.BINARY_SENSOR, Platform.CLIMATE, Platform.FAN, Platform.LIGHT]
 
 
 KEEP_ALIVE_INTERVAL = timedelta(minutes=1)
diff --git a/homeassistant/components/balboa/light.py b/homeassistant/components/balboa/light.py
new file mode 100644
index 00000000000..00b8eb979a2
--- /dev/null
+++ b/homeassistant/components/balboa/light.py
@@ -0,0 +1,56 @@
+"""Support for Balboa Spa lights."""
+from __future__ import annotations
+
+from typing import Any, cast
+
+from pybalboa import SpaClient, SpaControl
+from pybalboa.enums import OffOnState, UnknownState
+
+from homeassistant.components.light import ColorMode, LightEntity
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.entity_platform import AddEntitiesCallback
+
+from .const import DOMAIN
+from .entity import BalboaEntity
+
+
+async def async_setup_entry(
+    hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback
+) -> None:
+    """Set up the spa's lights."""
+    spa: SpaClient = hass.data[DOMAIN][entry.entry_id]
+    async_add_entities(BalboaLightEntity(control) for control in spa.lights)
+
+
+class BalboaLightEntity(BalboaEntity, LightEntity):
+    """Representation of a Balboa Spa light entity."""
+
+    _attr_color_mode = ColorMode.ONOFF
+    _attr_supported_color_modes = {ColorMode.ONOFF}
+
+    def __init__(self, control: SpaControl) -> None:
+        """Initialize a Balboa Spa light entity."""
+        super().__init__(control.client, control.name)
+        self._control = control
+        self._attr_translation_key = (
+            "light_of_n" if len(control.client.lights) > 1 else "only_light"
+        )
+        self._attr_translation_placeholders = {
+            "index": f"{cast(int, control.index) + 1}"
+        }
+
+    async def async_turn_off(self, **kwargs: Any) -> None:
+        """Turn the light off."""
+        await self._control.set_state(OffOnState.OFF)
+
+    async def async_turn_on(self, **kwargs: Any) -> None:
+        """Turn the light on."""
+        await self._control.set_state(OffOnState.ON)
+
+    @property
+    def is_on(self) -> bool | None:
+        """Return true if the light is on."""
+        if self._control.state == UnknownState.UNKNOWN:
+            return None
+        return self._control.state != OffOnState.OFF
diff --git a/homeassistant/components/balboa/strings.json b/homeassistant/components/balboa/strings.json
index 1975a5bc505..3c8f82764d4 100644
--- a/homeassistant/components/balboa/strings.json
+++ b/homeassistant/components/balboa/strings.json
@@ -57,6 +57,14 @@
       "pump": {
         "name": "Pump {index}"
       }
+    },
+    "light": {
+      "light_of_n": {
+        "name": "Light {index}"
+      },
+      "only_light": {
+        "name": "Light"
+      }
     }
   }
 }
diff --git a/tests/components/balboa/conftest.py b/tests/components/balboa/conftest.py
index 422023d1d9d..fa2787dd6e2 100644
--- a/tests/components/balboa/conftest.py
+++ b/tests/components/balboa/conftest.py
@@ -57,6 +57,7 @@ def client_fixture() -> Generator[MagicMock, None, None]:
         client.heat_mode.set_state = AsyncMock()
         client.heat_mode.options = list(HeatMode)[:2]
         client.heat_state = 2
+        client.lights = []
         client.pumps = []
 
         yield client
diff --git a/tests/components/balboa/test_light.py b/tests/components/balboa/test_light.py
new file mode 100644
index 00000000000..e20e55c5980
--- /dev/null
+++ b/tests/components/balboa/test_light.py
@@ -0,0 +1,65 @@
+"""Tests of the light entity of the balboa integration."""
+from __future__ import annotations
+
+from unittest.mock import MagicMock
+
+from pybalboa import SpaControl
+from pybalboa.enums import OffOnState, UnknownState
+import pytest
+
+from homeassistant.const import STATE_OFF, STATE_ON, STATE_UNKNOWN
+from homeassistant.core import HomeAssistant
+
+from . import client_update, init_integration
+
+from tests.components.light import common
+
+ENTITY_LIGHT = "light.fakespa_light"
+
+
+@pytest.fixture
+def mock_light(client: MagicMock):
+    """Return a mock light."""
+    light = MagicMock(SpaControl)
+
+    async def set_state(state: OffOnState):
+        light.state = state
+
+    light.client = client
+    light.index = 0
+    light.state = OffOnState.OFF
+    light.set_state = set_state
+    light.options = list(OffOnState)
+    client.lights.append(light)
+
+    return light
+
+
+async def test_light(hass: HomeAssistant, client: MagicMock, mock_light) -> None:
+    """Test spa light."""
+    await init_integration(hass)
+
+    # check if the initial state is off
+    state = hass.states.get(ENTITY_LIGHT)
+    assert state.state == STATE_OFF
+
+    # test calling turn on
+    await common.async_turn_on(hass, ENTITY_LIGHT)
+    state = await client_update(hass, client, ENTITY_LIGHT)
+    assert state.state == STATE_ON
+
+    # test calling turn off
+    await common.async_turn_off(hass, ENTITY_LIGHT)
+    state = await client_update(hass, client, ENTITY_LIGHT)
+    assert state.state == STATE_OFF
+
+
+async def test_light_unknown_state(
+    hass: HomeAssistant, client: MagicMock, mock_light
+) -> None:
+    """Tests spa light with unknown state."""
+    await init_integration(hass)
+
+    mock_light.state = UnknownState.UNKNOWN
+    state = await client_update(hass, client, ENTITY_LIGHT)
+    assert state.state == STATE_UNKNOWN