diff --git a/biome_info.json b/biome_info.json
index 4493a4e..ec9c3f4 100644
--- a/biome_info.json
+++ b/biome_info.json
@@ -20,7 +20,8 @@
 {"name": "taiga_ocean", "heat_point": 25, "humidity_point": 70, "y_min": -255, "y_max": 3},
 {"name": "taiga_under", "heat_point": 25, "humidity_point": 70, "y_min": -31000, "y_max": -256},
 {"name": "frost_floatland", "heat_point": 5, "humidity_point": 60, "y_min": 1025, "y_max": 1750},
-{"name": "frost", "heat_point": 5, "humidity_point": 60, "y_min": 1, "y_max": 71},
+{"name": "frost", "heat_point": 5, "humidity_point": 60, "y_min": 2, "y_max": 71},
+{"name": "frost_ocean", "heat_point": 5, "humidity_point": 60, "y_min": -192, "y_max": 1},
 {"name": "snowy_grassland", "heat_point": 15, "humidity_point": 58, "y_min": 3, "y_max": 30},
 {"name": "snowy_grassland_ocean", "heat_point": 15, "humidity_point": 58, "y_min": 2, "y_max": -192},
 {"name": "deciduous_forest", "heat_point": 60, "humidity_point": 68, "y_min": 3, "y_max": 91},
diff --git a/biomes.lua b/biomes.lua
index 4fac480..918fe00 100644
--- a/biomes.lua
+++ b/biomes.lua
@@ -180,14 +180,20 @@ register_biome(ethereal.frost, {
 	name = "frost_floatland",
 	heat_point = 5, humidity_point = 60, y_min = 1025, y_max = 1750,
 	node_top = "ethereal:crystal_dirt", depth_top = 1,
-	node_filler = "default:dirt", depth_filler = 1})
+	node_filler = "default:dirt", depth_filler = 2})
 
 register_biome(ethereal.frost, {
 	name = "frost",
-	heat_point = 5, humidity_point = 60, y_min = 1, y_max = 71,
+	heat_point = 5, humidity_point = 60, y_min = 2, y_max = 71,
 	node_top = "ethereal:crystal_dirt", depth_top = 1,
 	node_filler = "default:dirt", depth_filler = 3})
 
+register_biome(ethereal.frost, {
+	name = "frost_ocean",
+	heat_point = 5, humidity_point = 60, y_min = -192, y_max = 1,
+	node_top = "default:silver_sand", depth_top = 1,
+	node_filler = "default:sand", depth_filler = 3})
+
 -- snowy grassland (inbetween frost and taiga/jumble)
 
 register_biome(1, {
diff --git a/decor.lua b/decor.lua
index 76f9edc..92fdf5d 100644
--- a/decor.lua
+++ b/decor.lua
@@ -13,6 +13,17 @@ local function register_decoration(enabled, def)
 	minetest.register_decoration(def)
 end
 
+-- think ice
+
+register_decoration(ethereal.frost, {
+	place_on = {"default:silver_sand"},
+	fill_ratio = 1.0,
+	y_min = 0, y_max = 0,
+	decoration = "ethereal:thin_ice",
+	biomes = {"frost_ocean"},
+	place_offset_y = 1
+})
+
 -- water pools in swamp areas
 
 register_decoration(1, {
diff --git a/water.lua b/water.lua
index f72c27f..5cc0ff6 100644
--- a/water.lua
+++ b/water.lua
@@ -1,6 +1,38 @@
 
 local S = minetest.get_translator("ethereal")
 
+-- Thin Ice
+
+minetest.register_node("ethereal:thin_ice", {
+	description = S("Thin Ice"),
+	tiles = {"default_ice.png^[opacity:80"},
+	inventory_image = "default_ice.png^[opacity:80",
+	wield_image = "default_ice.png^[opacity:80",
+	use_texture_alpha = "blend",
+	is_ground_content = false,
+	paramtype = "light",
+	drawtype = "nodebox",
+	node_box = {
+		type = "fixed", fixed = {{-0.5, -0.5, -0.5, 0.5, -0.25, 0.5}},
+	},
+	collision_box = {
+		type = "fixed", fixed = {{-0.5, -0.5, -0.5, 0.5, -0.25, 0.5}},
+	},
+	groups = {cracky = 3, cools_lava = 1, slippery = 3},
+	sounds = default.node_sound_glass_defaults(),
+
+	on_walk_over = function(pos, node, player)
+
+		if math.random(50) == 13 then -- ice breaks if player unlucky
+
+			minetest.sound_play("default_ice_dug",
+					{pos = pos, gain = 0.5, pitch = 1.4, max_hear_distance = 5}, true)
+
+			minetest.remove_node(pos)
+		end
+	end
+})
+
 -- Ice Brick
 
 minetest.register_node("ethereal:icebrick", {
@@ -43,13 +75,12 @@ minetest.register_craft({
 	}
 })
 
--- If Crystal Spike or Snow near Water, change Water to Ice
+-- If Crystal Spike or Snowblock near Water, change Water to Ice
 
 minetest.register_abm({
 	label = "Ethereal freeze water",
 	nodenames = {
-		"ethereal:crystal_spike", "default:snow", "default:snowblock",
-		"ethereal:snowbrick"
+		"ethereal:crystal_spike", "default:snowblock", "ethereal:snowbrick"
 	},
 	neighbors = {"default:water_source", "default:river_water_source"},
 	interval = 15,
@@ -72,7 +103,7 @@ minetest.register_abm({
 minetest.register_abm({
 	label = "Ethereal melt snow/ice",
 	nodenames = {
-		"default:ice", "default:snowblock", "default:snow",
+		"default:ice", "default:snowblock", "default:snow", "ethereal:thin_ice",
 		"default:dirt_with_snow", "ethereal:snowbrick", "ethereal:icebrick"
 	},
 	neighbors = {
@@ -98,7 +129,8 @@ minetest.register_abm({
 		or node.name == "ethereal:snowbrick" then
 			minetest.swap_node(pos, {name = water_node .. "_source"})
 
-		elseif node.name == "default:snow" then
+		elseif node.name == "default:snow"
+		or node.name == "ethereal:thin_ice" then
 			minetest.swap_node(pos, {name = water_node .. "_flowing"})
 
 		elseif node.name == "default:dirt_with_snow" then